Cita APA

Halbert, M. G., & Worley, O. K. (1941). Kinds of chickens. University of Kentucky, Bureau of School Service.

Chicago Style (17th ed.) Citation

Halbert, Marie Goodwin, i Opaline King Worley. Kinds of Chickens. [Lexington, Ky.]: University of Kentucky, Bureau of School Service, 1941.

Cita MLA

Halbert, Marie Goodwin, i Opaline King Worley. Kinds of Chickens. University of Kentucky, Bureau of School Service, 1941.