Cita APA

McGregor, S. E. (1976). Insect pollination of cultivated crop plants. Agricultural Research Service.

Citación estilo Chicago

McGregor, Samuel Emmett. Insect Pollination of Cultivated Crop Plants. Washington, D.C, USA: Agricultural Research Service, 1976.

Cita MLA

McGregor, Samuel Emmett. Insect Pollination of Cultivated Crop Plants. Agricultural Research Service, 1976.

Warning: These citations may not always be 100% accurate.