APA (7th ed.) Citation

Agassiz, L., & Baird, S. F. (1963). Correspondence between Spencer Fullerton Baird and Louis Agassiz--two pioneer American naturalists. United States National Museum. Smithsonian Institution.

Chicago Style (17th ed.) Citation

Agassiz, Louis, and Spencer Fullerton Baird. Correspondence Between Spencer Fullerton Baird and Louis Agassiz--two Pioneer American Naturalists. Washington: United States National Museum. Smithsonian Institution, 1963.

MLA (9th ed.) Citation

Agassiz, Louis, and Spencer Fullerton Baird. Correspondence Between Spencer Fullerton Baird and Louis Agassiz--two Pioneer American Naturalists. United States National Museum. Smithsonian Institution, 1963.