APA-referens (7:e uppl.)

Wickson, E. J. (1915). California garden-flowers, shrubs, trees and vines: Being mainly suggestions for working amateurs. Pacific Rural Press.

Chicago-referens (17:e uppl.)

Wickson, Edward James. California Garden-flowers, Shrubs, Trees and Vines: Being Mainly Suggestions for Working Amateurs. San Franciso: Pacific Rural Press, 1915.

MLA-referens (8:e uppl.)

Wickson, Edward James. California Garden-flowers, Shrubs, Trees and Vines: Being Mainly Suggestions for Working Amateurs. Pacific Rural Press, 1915.