APA (7th ed.) Citation

Janke, R. A., & Janke, N. (1996). The wildflowers of Isle Royale (Second revised edition.). Isle Royale Natural History Assoc..

Chicago Style (17th ed.) Citation

Janke, Robert A., and Nadine Janke. The Wildflowers of Isle Royale. Second revised edition. Houghton, Mich.: Isle Royale Natural History Assoc., 1996.

MLA (9th ed.) Citation

Janke, Robert A., and Nadine Janke. The Wildflowers of Isle Royale. Second revised edition. Isle Royale Natural History Assoc., 1996.