Cita APA (7a ed.)

Zelazny, R. (1976). Doorways in the Sand. Harper & Row, Publishers.

Cita Chicago Style (17a ed.)

Zelazny, Roger. Doorways in the Sand. New York: Harper & Row, Publishers, 1976.

Cita MLA (9a ed.)

Zelazny, Roger. Doorways in the Sand. Harper & Row, Publishers, 1976.