APA Citation

(1899). Philadelphia County Medical Society, semi-centennial anniversary: January 16th, 1899. [Philadelphia, Pa.?: s.n..

Chicago Style Citation

Philadelphia County Medical Society, Semi-centennial Anniversary: January 16th, 1899. [Philadelphia, Pa.?: s.n., 1899.

MLA Citation

Philadelphia County Medical Society, Semi-centennial Anniversary: January 16th, 1899. [Philadelphia, Pa.?: s.n., 1899.

Warning: These citations may not always be 100% accurate.