APA Edition Citation

Pirani, F. E., & Russell, B. (1985). A B C of relativity (Ed.4 rev.).

Chicago Edition Citation

Pirani, Felix; Ed, and Bertrand Russell. A B C of Relativity. Ed.4 rev. London, Unwin Paperbacks, 1985.

MLA Edition Citation

Pirani, Felix; Ed, and Bertrand Russell. A B C of Relativity. Ed.4 rev. 1985.