Cita APA (7th ed.)

Snyder, G. (1990). The practice of the wild (1a. ed.). North Point Press.

Cita Chicago (17th ed.)

Snyder, Gary. The Practice of the Wild. 1a. ed. San Francisco: North Point Press, 1990.

Cita MLA (9th ed.)

Snyder, Gary. The Practice of the Wild. 1a. ed. North Point Press, 1990.