APA (7th ed.) Citation

Howe, R. H., & Allen, G. M. (1901). The birds of Massachusetts. [publisher not identified].

Chicago Style (17th ed.) Citation

Howe, Reginald Heber, and Glover Morrill Allen. The Birds of Massachusetts. Cambridge, Mass.: [publisher not identified], 1901.

MLA (9th ed.) Citation

Howe, Reginald Heber, and Glover Morrill Allen. The Birds of Massachusetts. [publisher not identified], 1901.