Cita APA (7a ed.)

American Society of Agronomy, Crop Science Society of Agronomy, Fehr, W. R., & Hadley, H. H. (1982). HYBRIDIZATION of crop plants. ASA.

Cita Chicago Style (17a ed.)

American Society of Agronomy, Crop Science Society of Agronomy, Walter R. Fehr, y Henry H. Hadley. HYBRIDIZATION of Crop Plants. Madison: ASA, 1982.

Cita MLA (8a ed.)

American Society of Agronomy, et al. HYBRIDIZATION of Crop Plants. ASA, 1982.