Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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