APA (7th ed.) Citation

Ramaer, H., Van Dooren, W., & Holterman, T. (1977). Peter Kropotkin. Rotterdam: Ram.

Chicago Style (17th ed.) Citation

Ramaer, Hans, Wim Van Dooren, and Thom Holterman. Peter Kropotkin. Rotterdam: Ram, 1977.

MLA (8th ed.) Citation

Ramaer, Hans, et al. Peter Kropotkin. Rotterdam: Ram, 1977.