Citazione Stile APA (7a Edizione)

Collings, E., & England, A. (1937). The 101 ranch. University of Oklahoma press.

Citazione stile Chigago Style (17a edizione)

Collings, Ellsworth, e Alma England. The 101 Ranch. Norman: University of Oklahoma press, 1937.

Citatione MLA (9a ed.)

Collings, Ellsworth, e Alma England. The 101 Ranch. University of Oklahoma press, 1937.