APA Edition Citation

Shklovskii, L. S. S. (1966). Intelligent life in the universe.

Chicago Edition Citation

Shklovskii, L S; Sagan. Intelligent Life in the Universe. Holden-Day, San Francisco, 1966.

MLA Edition Citation

Shklovskii, L S; Sagan. Intelligent Life in the Universe. 1966.

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