Cita APA (7a ed.)

Grolier International. (1987). Grolier Academic Encyclopedia Vol: 1. Grolier International,Academic American.

Cita Chicago Style (17a ed.)

Grolier International. Grolier Academic Encyclopedia Vol: 1. USA: Grolier International,Academic American, 1987.

Cita MLA (9a ed.)

Grolier International. Grolier Academic Encyclopedia Vol: 1. Grolier International,Academic American, 1987.