Cita APA (7a ed.)

Abell, G. (1978). Drama of the Universe. Holt, Rinehart and Winston.

Cita Chicago Style (17a ed.)

Abell, George. Drama of the Universe. New York: Holt, Rinehart and Winston, 1978.

Cita MLA (9a ed.)

Abell, George. Drama of the Universe. Holt, Rinehart and Winston, 1978.