APA (7th ed.) Citation

Schaffer, J. P. (1979). The Pacific Crest Trail (3rd ed.). Wilderness Press.

Chicago Style (17th ed.) Citation

Schaffer, Jeffrey P. The Pacific Crest Trail. 3rd ed. Berkeley, CA: Wilderness Press, 1979.

MLA (9th ed.) Citation

Schaffer, Jeffrey P. The Pacific Crest Trail. 3rd ed. Wilderness Press, 1979.