Cita APA (7a ed.)

Fryer, J. D., Evans, S. A., & Makepeace, R. J. (1977). Weed control handbook. (6.ed.). Blackwell Scientific Publ..

Cita Chicago Style (17a ed.)

Fryer, J. D., S. A. Evans, y R. J. Makepeace. Weed Control Handbook. 6.ed. Oxford: Blackwell Scientific Publ., 1977.

Cita MLA (8a ed.)

Fryer, J. D., et al. Weed Control Handbook. 6.ed. Blackwell Scientific Publ., 1977.