APA (7th ed.) Citation

Merriam, C. H. (1891). Directions for collecting stomachs of birds. [publisher not identified].

Chicago Style (17th ed.) Citation

Merriam, C. Hart. Directions for Collecting Stomachs of Birds. Washington, D.C.: [publisher not identified], 1891.

MLA (9th ed.) Citation

Merriam, C. Hart. Directions for Collecting Stomachs of Birds. [publisher not identified], 1891.