APA (7th ed.) Citation

Gnadinger, C. B., & Nelson, R. H. (1975). Pyrethrum flowers (3d ed., 1945-1972.). McLaughlin Gormley King Co..

Chicago Style (17th ed.) Citation

Gnadinger, Charles B., and Robert Hale Nelson. Pyrethrum Flowers. 3d ed., 1945-1972. Minneapolis: McLaughlin Gormley King Co., 1975.

MLA (9th ed.) Citation

Gnadinger, Charles B., and Robert Hale Nelson. Pyrethrum Flowers. 3d ed., 1945-1972. McLaughlin Gormley King Co., 1975.

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