APA (7th ed.) Citation

Agassiz, L. (1886). Geological sketches. Houghton, Mifflin.

Chicago Style (17th ed.) Citation

Agassiz, Louis. Geological Sketches. Boston, New York: Houghton, Mifflin, 1886.

MLA (9th ed.) Citation

Agassiz, Louis. Geological Sketches. Houghton, Mifflin, 1886.