APA (7th ed.) Citation

Voss, E. G. (1978). Botanical beachcombers and explorers: Pioneers of the 19th century in the upper Great Lakes.

Chicago Style (17th ed.) Citation

Voss, Edward G. Botanical Beachcombers and Explorers: Pioneers of the 19th Century in the Upper Great Lakes. Ann Arbor, 1978.

MLA (9th ed.) Citation

Voss, Edward G. Botanical Beachcombers and Explorers: Pioneers of the 19th Century in the Upper Great Lakes. 1978.