Cita APA

Knight, M., Klammet, G. 1., & Brower, D. R. 1. (1970). Return to the Alps. San Francisco: Friends of the Earth.

Citación estilo Chicago

Knight, Max, Gerhard 1914- Klammet, y David Ross 1912- Brower. Return to the Alps. San Francisco: Friends of the Earth, 1970.

Cita MLA

Knight, Max, Gerhard 1914- Klammet, y David Ross 1912- Brower. Return to the Alps. San Francisco: Friends of the Earth, 1970.