APA (7th ed.) Citation

Ohanian, H. C., & Ruffini, R. (1994). Gravitation and spacetime (2. ed.). Norton.

Chicago Style (17th ed.) Citation

Ohanian, Hans C., and Remo Ruffini. Gravitation and Spacetime. 2. ed. New York, NY [u.a.]: Norton, 1994.

MLA (9th ed.) Citation

Ohanian, Hans C., and Remo Ruffini. Gravitation and Spacetime. 2. ed. Norton, 1994.