APA (7th ed.) Citation

Sierra Club & Mitchell, J. G. (1970). Ecotactics: The Sierra Club handbook for environment activists. Pocket Books.

Chicago Style (17th ed.) Citation

Sierra Club and John G. Mitchell. Ecotactics: The Sierra Club Handbook for Environment Activists. New York: Pocket Books, 1970.

MLA (9th ed.) Citation

Sierra Club and John G. Mitchell. Ecotactics: The Sierra Club Handbook for Environment Activists. Pocket Books, 1970.