Cita APA (7a ed.)

Silverberg, R. (1980). Lord Valentine's castle. Harper & Row, Publishers.

Cita Chicago Style (17a ed.)

Silverberg, Robert. Lord Valentine's Castle. New York: Harper & Row, Publishers, 1980.

Cita MLA (9a ed.)

Silverberg, Robert. Lord Valentine's Castle. Harper & Row, Publishers, 1980.