Cita APA (7th ed.)

Holcomb, W. P. (1886). Pennsylvania boroughs. N. Murray Publication Agent, Johns Hopkins University.

Cita Chicago (17th ed.)

Holcomb, William P. Pennsylvania Boroughs. Baltimore: N. Murray Publication Agent, Johns Hopkins University, 1886.

Cita MLA (8th ed.)

Holcomb, William P. Pennsylvania Boroughs. N. Murray Publication Agent, Johns Hopkins University, 1886.