APA (7th ed.) Citation

Brock, P., & Socknat, T. P. (1999). Challenge to Mars: Essays on pacifism from 1918 to 1945. University of Toronto Press.

Chicago Style (17th ed.) Citation

Brock, Peter, and Thomas Paul Socknat. Challenge to Mars: Essays on Pacifism from 1918 to 1945. Toronto, Ont.: University of Toronto Press, 1999.

MLA (8th ed.) Citation

Brock, Peter, and Thomas Paul Socknat. Challenge to Mars: Essays on Pacifism from 1918 to 1945. University of Toronto Press, 1999.