APA (7th ed.) Citation

Howe,, R. H. (1896). Abnormal Plumage of a Pine Grosbeak. The Auk, 13(2), 176.

Chicago Style (17th ed.) Citation

Howe,, Reginald Heber. "Abnormal Plumage of a Pine Grosbeak." The Auk 13, no. 2 (1896): 176.

MLA (9th ed.) Citation

Howe,, Reginald Heber. "Abnormal Plumage of a Pine Grosbeak." The Auk, vol. 13, no. 2, 1896, p. 176.