Generally a simple notification on each page is a good start. More complete information (licensing options, who to contact, etc.) may be in a "terms of use" section or separately; for example, see "IP Issues" at the bottom of this page (and below it, the notification).
Notification is not required for protection, so technically you don't have to do anything at all.
Given current copyright law, it's merely a courtesy; notification is not required for protection.
Materials are not required to have a notification on them in order to be protected.
A copyright notification usually consists of the copyright symbol, the year, and the rightsholder. For example, see the notification at the bottom of this page.
There is no prescribed placement of a copyright notification.
Because any copyrightable work is automatically protected, it can be assumed that all websites are protected by copyright unless specified otherwise. Notification is not required for protection.
Because protection is automatic, a notification is not required: everything is protected by copyright unless it specifically says otherwise.
Most sites give the current year as the copyright year, because that's when the page rendered on the user's computer. There may be a notification at the bottom of each page, on a "home" or "about" page, or nowhere at all: notification is not required for protection.
It can be. Notification is not required for protection.
Notification is not required for protection.
A notification. It should be mentioned that notification is not required for protection.
The copyright symbol is a way to indicate that a given work is protected; however, notification is not required for protection. If material you wish to use bears a copyright notification, it should help you find who you need to ask for permission. Without a notification, research will be considerably slower.
The copyright notification is generally found on the bottom of the first page of content, on the reverse of the title page, or embedded in metadata. However, notification is not required for protection.