They'd need to use the Nicean creed, exclusively.
in the apostles creed.
I suppose they use it to reaffirm their faith. Reading the word of God everyday will also reaffirm your faith and is probably better than mindlessly repeating the Apostles Creed.
by following it
The same Creed that you use year round. Thus it would be the Nicene Creed at Mass, and the Apostles Creed when you are praying the rosary.
The Apostles Creed Protestant Version
Apostles creed
Apostles Creed - album - was created in 2006.
Roman Catholic AnswerThe Apostles' Creed and the Nicene Creed are part of Tradition, or at least the Apostles' Creed is, the Nicene Creed would probably be considered the Magisterium.
Although the Apostles' Creed can be used in a Catholic Mass, generally speaking most parishes use the Nicene Creed. Whichever Creed is used it comes towards the end of the Liturgy of the Word, after the homily.
The Apostles' Creed is prayed in the Rosary. It is the first prayer in the Rosary.
The Apostles' Creed can be found in Wikipedia (both the Latin and English translation), and also on the website of Christianity Today. There are slightly different versions of the Apostles' Creed depending on the particular denomination. There is also a reading of the Apostles' Creed on YouTube.