APA

Schultes R. E., Hofmann A., . (1979). Plants of the gods: origins of hallucinogenic use. New York: McGraw-Hill.

Chicago

Schultes Richard Evans, Hofmann Albert, . 1979. Plants of the gods: origins of hallucinogenic use. New York: McGraw-Hill.

Harvard

Schultes R. E., Hofmann A., . (1979). Plants of the gods: origins of hallucinogenic use. New York: McGraw-Hill.

MLA

Schultes Richard Evans, Hofmann Albert, . Plants of the gods: origins of hallucinogenic use. New York: McGraw-Hill. 1979.