APA (7th ed.) Citation

Russell, E. F. (1954). Sentinels from space. Science Fiction Club.

Chicago Style (17th ed.) Citation

Russell, Eric Frank. Sentinels from Space. London: Science Fiction Club, 1954.

MLA (8th ed.) Citation

Russell, Eric Frank. Sentinels from Space. Science Fiction Club, 1954.

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