APA (7th ed.) Citation

Humboldt, A. v. (1970). Aspects of nature (1st AMS ed.].). AMS Press.

Chicago Style (17th ed.) Citation

Humboldt, Alexander von. Aspects of Nature. 1st AMS ed.]. New York: AMS Press, 1970.

MLA (8th ed.) Citation

Humboldt, Alexander von. Aspects of Nature. 1st AMS ed.]. AMS Press, 1970.