The way you just spelled it.
You cannot spell Lillian with Roman Numerals because there are no numerals that could be used to make an "A". The Roman Numerals are: I, V, X, L, C, D, M.
XX
Louis 15th in Roman numerals is spelled as "XV".
11 is XI in Roman numerals.
The year 2015 is MMXV
You cannot spell Lillian with Roman Numerals because there are no numerals that could be used to make an "A". The Roman Numerals are: I, V, X, L, C, D, M.
II
XX
Louis 15th in Roman numerals is spelled as "XV".
In Roman numerals 13 is XIII.
11 is XI in Roman numerals.
The year 2015 is MMXV
Ww i, wwii
The number 30 is XXX in Roman numerals, as each X equals 10.
In APA 7th edition, you generally use numerals for numbers 10 and above, and spell out numbers from one to nine.
You don't, because "hello kitty" is two words, while numerals are NUMBERS.
The numerals that are multiples of 1000 use the word thousand.