Cita APA

British Crop Protection Council, Fryer, J. D., Makepeace, R. J., & Fearon, J. H. Principles, including plant growth regulators (6. edición.).

Citación estilo Chicago

British Crop Protection Council, John Denny Fryer, Richard John Makepeace, y John Henry Fearon. Principles, Including Plant Growth Regulators. 6. edición.

Cita MLA

British Crop Protection Council, John Denny Fryer, Richard John Makepeace, y John Henry Fearon. Principles, Including Plant Growth Regulators. 6. edición.