By-laws of the American entomological society of Philadelphia.
Adopted at a meeting held December 12, 1887.
APA Citation
American Entomological Society. (1889). By-laws of the American entomological society of Philadelphia: Adopted at a meeting held December 12, 1887. [Philadelphia]: Paul C. Stockhausen.
MLA Citation
American Entomological Society. By-laws of the American Entomological Society of Philadelphia: Adopted At a Meeting Held December 12, 1887. [Philadelphia]: Paul C. Stockhausen, 1889.
Warning: These citations may not always be complete (especially for serials).