APA (7th ed.) Citation

Alston, A. H. G. (1954). The Ferns and Fern Allies of Wisconsin. Journal of Ecology, 42(2), 561. https://doi.org/10.2307/2256881

Chicago Style (17th ed.) Citation

Alston, A. H. G. "The Ferns and Fern Allies of Wisconsin." Journal of Ecology 42, no. 2 (1954): 561. https://doi.org/10.2307/2256881.

MLA (9th ed.) Citation

Alston, A. H. G. "The Ferns and Fern Allies of Wisconsin." Journal of Ecology, vol. 42, no. 2, 1954, p. 561, https://doi.org/10.2307/2256881.