Cita APA

Coffman, F. A. n. 1., & Coffman, F. A. n. 1. (1977). Oat history, identification and classification. Washington: U.S. Departamento of Agriculture.

Citación estilo Chicago

Coffman, Franklin Arthur n. 1892, y Franklin Arthur n. 1892 Coffman. Oat History, Identification and Classification. Washington: U.S. Departamento of Agriculture, 1977.

Cita MLA

Coffman, Franklin Arthur n. 1892, y Franklin Arthur n. 1892 Coffman. Oat History, Identification and Classification. Washington: U.S. Departamento of Agriculture, 1977.