Gaya APA

TIM, . (1985). Encyclopedia Americana: Wilmot Proviso to Zygote, Volume 29 (Volume 29). USA: Americana : Grolier International.

Gaya MLA

TIM, . "Encyclopedia Americana: Wilmot Proviso to Zygote, Volume 29". Volume 29 USA: Americana : Grolier International, 1985. Text.