Cita APA (7a ed.)

Américan Society of Agronomy. (1998). Publications handbook and style manual (1st edition.). ASA.

Cita Chicago Style (17a ed.)

Américan Society of Agronomy. Publications Handbook and Style Manual. 1st edition. Wisconsin: ASA, 1998.

Cita MLA (8a ed.)

Américan Society of Agronomy. Publications Handbook and Style Manual. 1st edition. ASA, 1998.