Gaya APA
dkk., R, S, A. (1977).
The Encyclopedia Americana International Edition: Wilmot to Proviso Zygote (Vol.29).
New York:
Americana Corporation.
Gaya MLA
dkk., Robert, S., Anderson,.
"The Encyclopedia Americana International Edition: Wilmot to Proviso Zygote".
Vol.29
New York:
Americana Corporation,
1977.
Text.