APA (7th ed.) Citation

Douglas, M. (1970). Natural symbols: Explorations in cosmology ([1st American ed.].). Pantheon Books.

Chicago Style (17th ed.) Citation

Douglas, Mary. Natural Symbols: Explorations in Cosmology. [1st American ed.]. New York: Pantheon Books, 1970.

MLA (9th ed.) Citation

Douglas, Mary. Natural Symbols: Explorations in Cosmology. [1st American ed.]. Pantheon Books, 1970.

Warning: These citations may not always be 100% accurate.