Cita APA (7a ed.)

American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, Waddington, D., Carrow, R., & Shearman, R. (1992). TURFGRASS. ASA.

Cita Chicago Style (17a ed.)

American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, D.V Waddington, R.N Carrow, y R.C Shearman. TURFGRASS. Madison, Wis.: ASA, 1992.

Cita MLA (8a ed.)

American Society of Agronomy, et al. TURFGRASS. ASA, 1992.