Gaya APA

DiLeo, W., Towers, V, F. (1991). THE ENCYCLOPEDIA AMERICANA 29 (Proviso To Zygot) (1). Americana Corporation, New Yor: Grolier Incorporated.

Gaya MLA

DiLeo, Warren., Towers, Veronica, F.. "THE ENCYCLOPEDIA AMERICANA 29 (Proviso To Zygot)". 1 Americana Corporation, New Yor: Grolier Incorporated, 1991. Ensiklopedi.