APA (7th ed.) Citation

Kropotkine , P., GOMEZ Freddy, ROCKER Rudolf, & WITKOP Milly. (2007). Rudolf Rocker (1873-1958). A Contretemps.

Chicago Style (17th ed.) Citation

Kropotkine , Pierre, GOMEZ Freddy, ROCKER Rudolf, and WITKOP Milly. Rudolf Rocker (1873-1958). A Contretemps, 2007.

MLA (8th ed.) Citation

Kropotkine , Pierre, et al. Rudolf Rocker (1873-1958). A Contretemps, 2007.