APA (7th ed.) Citation

Langdon, E. J. M., & Baer, G. (1992). Portals of power: Shamanism in South America. University of New Mexico Press.

Chicago Style (17th ed.) Citation

Langdon, E. Jean Matteson, and Gerhard Baer. Portals of Power: Shamanism in South America. Albuquerque: University of New Mexico Press, 1992.

MLA (9th ed.) Citation

Langdon, E. Jean Matteson, and Gerhard Baer. Portals of Power: Shamanism in South America. University of New Mexico Press, 1992.