APA (7th ed.) Citation

Weyer, H., Godenzi, A., & Nyffeler, R. (1982). Himalaya. Kümmerly u. Frey.

Chicago Style (17th ed.) Citation

Weyer, Helfried, Aldo Godenzi, and Roland Nyffeler. Himalaya. Bern: Kümmerly u. Frey, 1982.

MLA (9th ed.) Citation

Weyer, Helfried, et al. Himalaya. Kümmerly u. Frey, 1982.