Cita APA (7a ed.)

Hance, R., & Holly, K. (1990). Weed control handbook: Principles (8th edition.). Blackwell.

Cita Chicago Style (17a ed.)

Hance, R.J, y K. Holly. Weed Control Handbook: Principles. 8th edition. Oxford: Blackwell, 1990.

Cita MLA (8a ed.)

Hance, R.J, y K. Holly. Weed Control Handbook: Principles. 8th edition. Blackwell, 1990.