APA Citation

(1877). Biographical sketch of William J. Mullen. [Philadelphia, Pa.?: s.n..

Chicago Style Citation

Biographical Sketch of William J. Mullen. [Philadelphia, Pa.?: s.n., 1877.

MLA Citation

Biographical Sketch of William J. Mullen. [Philadelphia, Pa.?: s.n., 1877.

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