APA ציטוט

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

Chicago Style (17th ed.) Citation

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

ציטוט MLA

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