Cita APA (7th ed.)

(1977). Illustrated world encyclopedia: One volume edition (ed.). Bobley publishing corp..

Cita Chicago (17th ed.)

Illustrated World Encyclopedia: One Volume Edition. ed. New York: Bobley publishing corp., 1977.

Cita MLA (9th ed.)

Illustrated World Encyclopedia: One Volume Edition. ed. Bobley publishing corp., 1977.