APA (7th ed.) Citation

Kropotkin, P. A., Capouya, E., & Tompkins, K. (1975). The essential Kropotkin. Liveright.

Chicago Style (17th ed.) Citation

Kropotkin, Petr Alekseevich, Emile Capouya, and Keitha Tompkins. The Essential Kropotkin. New York: Liveright, 1975.

MLA (9th ed.) Citation

Kropotkin, Petr Alekseevich, et al. The Essential Kropotkin. Liveright, 1975.