APA Citation

(1949). 100th anniversary, the Philadelphia County Medical Society, 1849-1949. [Philadelphia, Pa.?: s.n..

Chicago Style Citation

100th Anniversary, the Philadelphia County Medical Society, 1849-1949. [Philadelphia, Pa.?: s.n., 1949.

MLA Citation

100th Anniversary, the Philadelphia County Medical Society, 1849-1949. [Philadelphia, Pa.?: s.n., 1949.

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