APA (7th ed.) Citation

Agassiz, L. (1855). On ichthyological fauna of the Pacific slope of North America. [publisher not identified].

Chicago Style (17th ed.) Citation

Agassiz, Louis. On Ichthyological Fauna of the Pacific Slope of North America. [New Haven?]: [publisher not identified], 1855.

MLA (9th ed.) Citation

Agassiz, Louis. On Ichthyological Fauna of the Pacific Slope of North America. [publisher not identified], 1855.