Cita APA (7th ed.)

Rueff, G. A., & Catlin, G. L. (1884). Cattle breeds of the world. Judd & Detweiler, printers.

Cita Chicago (17th ed.)

Rueff, Gottlob Adolf, i George L. Catlin. Cattle Breeds of the World. Washington, D.C.: Judd & Detweiler, printers, 1884.

Cita MLA (9th ed.)

Rueff, Gottlob Adolf, i George L. Catlin. Cattle Breeds of the World. Judd & Detweiler, printers, 1884.