Cite

Bank swallow, Hirundo viparia. Violet-green swallow, Hirundo malassinus. no. 77, pl. 385

MLA

Havell, Robert, 1793-1878. Bank swallow, Hirundo viparia. Violet-green swallow, Hirundo malassinus. no. 77, pl. 385. v. 4. 1837. https://collections.library.yale.edu/catalog/2013595.

APA, 6th edition

Havell, Robert, 1793-1878. (["v. 4"])(1837)[Bank swallow, Hirundo viparia. Violet-green swallow, Hirundo malassinus. no. 77, pl. 385]. https://collections.library.yale.edu/catalog/2013595.