APA (7th ed.) Citation

Sheckley, R. (1973). The Robert Sheckley omnibus. Gollancz.

Chicago Style (17th ed.) Citation

Sheckley, Robert. The Robert Sheckley Omnibus. London: Gollancz, 1973.

MLA (8th ed.) Citation

Sheckley, Robert. The Robert Sheckley Omnibus. Gollancz, 1973.

Warning: These citations may not always be 100% accurate.