APA (7th ed.) Citation

Sievers, A. F., & Van Fleet, W. (1949). Goldenseal under cultivation (Rev. Mar. 1949.). U.S. Dept. of Agriculture.

Chicago Style (17th ed.) Citation

Sievers, A. F., and Walter Van Fleet. Goldenseal Under Cultivation. Rev. Mar. 1949. Washington, D.C.: U.S. Dept. of Agriculture, 1949.

MLA (9th ed.) Citation

Sievers, A. F., and Walter Van Fleet. Goldenseal Under Cultivation. Rev. Mar. 1949. U.S. Dept. of Agriculture, 1949.