Cita APA (7th ed.)

Ricker, W. E. (1943). Stoneflies of Southwestern British Columbia. Indiana university.

Cita Chicago (17th ed.)

Ricker, William Edwin. Stoneflies of Southwestern British Columbia. Bloomington, Ind: Indiana university, 1943.

Cita MLA (9th ed.)

Ricker, William Edwin. Stoneflies of Southwestern British Columbia. Indiana university, 1943.