APA (7th ed.) Citation

Wilderness Conference San Francisco, Sierra Club, & Brower, D. (1960). The meaning of wilderness to science: Proceedings [of the] sixth biennial wilderness conference. Sierra Club.

Chicago Style (17th ed.) Citation

Wilderness Conference San Francisco, Sierra Club, and David Brower. The Meaning of Wilderness to Science: Proceedings [of the] Sixth Biennial Wilderness Conference. San Francisco: Sierra Club, 1960.

MLA (8th ed.) Citation

Wilderness Conference San Francisco, et al. The Meaning of Wilderness to Science: Proceedings [of the] Sixth Biennial Wilderness Conference. Sierra Club, 1960.