APA (7th ed.) Citation

Wagner, W. H., & Mc Williams, E. L. (1968). University of Michigan Botanical gardens special Collections ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Wagner, Warren H., and E. L. Mc Williams. University of Michigan Botanical Gardens Special Collections. [Sonderdr.]. 1968.

MLA (9th ed.) Citation

Wagner, Warren H., and E. L. Mc Williams. University of Michigan Botanical Gardens Special Collections. [Sonderdr.]. 1968.