Tohutoro APA (7th ed.)

Harrar, E. S., & Harrar, J. G. (1962). Guide to southern trees (2a. ed.). Dover.

Tohutoru Kātū Chicago (17th ed.)

Harrar, Ellwood Scott, me Jacob George Harrar. Guide to Southern Trees. 2a. ed. Nueva York: Dover, 1962.

Tohutoro MLA (9th ed.)

Harrar, Ellwood Scott, me Jacob George Harrar. Guide to Southern Trees. 2a. ed. Dover, 1962.