APA (7th ed.) Citation

Smith, E. F., & Wakker, J. H. (1901). Wakker's hyacinth germ, Pseudomonas hyacinthi (Wakker). U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Smith, Erwin F., and J. H. Wakker. Wakker's Hyacinth Germ, Pseudomonas Hyacinthi (Wakker). [Place of publication not identified]: U.S. Government Printing Office, 1901.

MLA (9th ed.) Citation

Smith, Erwin F., and J. H. Wakker. Wakker's Hyacinth Germ, Pseudomonas Hyacinthi (Wakker). U.S. Government Printing Office, 1901.