APA (7th ed.) Citation

Tropp, Ė. A., Frenkelʹ, V. J., & Černin, A. D. (1993). Alexander A. Friedmann: The man who made the universe expand (1. publ.). Cambridge Univ. Press.

Chicago Style (17th ed.) Citation

Tropp, Ėduard A., Viktor Jakovlevič Frenkelʹ, and Artur D. Černin. Alexander A. Friedmann: The Man Who Made the Universe Expand. 1. publ. Cambridge u.a: Cambridge Univ. Press, 1993.

MLA (9th ed.) Citation

Tropp, Ėduard A., et al. Alexander A. Friedmann: The Man Who Made the Universe Expand. 1. publ. Cambridge Univ. Press, 1993.