Cita APA (7th ed.)

Sudworth, G. B. (1967). Forest trees of the Pacific slape. Dover.

Cita Chicago (17th ed.)

Sudworth, George B. Forest Trees of the Pacific Slape. Nueva York: Dover, 1967.

Cita MLA (9th ed.)

Sudworth, George B. Forest Trees of the Pacific Slape. Dover, 1967.