APA (7th ed.) Citation

McGregor, S. E. (1976). Insect pollination of cultivated crop plants. U.S. Department of Agriculture.

Chicago Style (17th ed.) Citation

McGregor, S. E. Insect Pollination of Cultivated Crop Plants. Washington, DC: U.S. Department of Agriculture, 1976.

MLA (9th ed.) Citation

McGregor, S. E. Insect Pollination of Cultivated Crop Plants. U.S. Department of Agriculture, 1976.

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