APA (7th ed.) Zitazioa

Stoddard, J. L. John L. Stoddard's Lectures, Vol. 10 (of 10) Southern California; Grand Cañon of the Colorado River; Yellowstone National Park.

Chicago Style (17th ed.) Zitazioa

Stoddard, John L. John L. Stoddard's Lectures, Vol. 10 (of 10) Southern California; Grand Cañon of the Colorado River; Yellowstone National Park.

MLA (9th ed.) Zitazioa

Stoddard, John L. John L. Stoddard's Lectures, Vol. 10 (of 10) Southern California; Grand Cañon of the Colorado River; Yellowstone National Park.