Cita APA (7a ed.)

Hitchcock, C. (1961). Vascular Plants of the Pacific Northwest. University of Washington.

Cita Chicago Style (17a ed.)

Hitchcock, C.Leo. Vascular Plants of the Pacific Northwest. Seattle: University of Washington, 1961.

Cita MLA (9a ed.)

Hitchcock, C.Leo. Vascular Plants of the Pacific Northwest. University of Washington, 1961.