Cita APA (7a ed.)

Levey, J. S., & Greenhall, A. (1987). The Penguin concise Columbia enciclopedia. Penguin [etc.].

Cita Chicago Style (17a ed.)

Levey, Judith S., y Agnes Greenhall. The Penguin Concise Columbia Enciclopedia. Harmondsworth [etc.]: Penguin [etc.], 1987.

Cita MLA (9a ed.)

Levey, Judith S., y Agnes Greenhall. The Penguin Concise Columbia Enciclopedia. Penguin [etc.], 1987.