APA (7th ed.) Citation

Silverberg, R. (1967). The gate of worlds ([1st ed.].). Holt, Rinehart and Winston.

Chicago Style (17th ed.) Citation

Silverberg, Robert. The Gate of Worlds. [1st ed.]. New York: Holt, Rinehart and Winston, 1967.

MLA (9th ed.) Citation

Silverberg, Robert. The Gate of Worlds. [1st ed.]. Holt, Rinehart and Winston, 1967.