Gaya APA
Simons, G. (1968).
Great Ages of Man: The Birth of Europe (Cet. 1 Ed. Rev).
Netherland:
Time-Life International.
Gaya MLA
Simons, Gerald.
"Great Ages of Man: The Birth of Europe".
Cet. 1 Ed. Rev
Netherland:
Time-Life International,
1968.
Text.