Cita APA

Kropotkin, P. A. K., Friedland, L. S., & Piroshnikoff, J. R. (1993). Ethics: Origin and development. Thoemmes Press.

Citación estilo Chicago

Kropotkin, Petr Alekseevich Knaz, Louis S. Friedland, and Joseph R. Piroshnikoff. Ethics: Origin and Development. Bristol, Eng: Thoemmes Press, 1993.

Cita MLA

Kropotkin, Petr Alekseevich Knaz, et al. Ethics: Origin and Development. Thoemmes Press, 1993.