APA (7th ed.) Citation

Duncan, H. (1939). Trepostomatous Bryozoa from the Traverse group of Michigan. University of Michigan Press.

Chicago Style (17th ed.) Citation

Duncan, Helen. Trepostomatous Bryozoa from the Traverse Group of Michigan. Ann Arbor: University of Michigan Press, 1939.

MLA (9th ed.) Citation

Duncan, Helen. Trepostomatous Bryozoa from the Traverse Group of Michigan. University of Michigan Press, 1939.

Warning: These citations may not always be 100% accurate.