Cita APA (7a ed.)

Khasawneh, F., Kamprath, E., & Sample, A. (1980). The Role of phosphorus in agriculture (1st edition.). ASA : SSSA : CSSA.

Cita Chicago Style (17a ed.)

Khasawneh, F.E, E.J Kamprath, y A.C Sample. The Role of Phosphorus in Agriculture. 1st edition. Madison, Wisconsin: ASA : SSSA : CSSA, 1980.

Cita MLA (8a ed.)

Khasawneh, F.E, et al. The Role of Phosphorus in Agriculture. 1st edition. ASA : SSSA : CSSA, 1980.