APA Citation

Wilkins, M. B. (1960). Pennsylvania county outline maps. [Harrisburg: Depat. of Commerce].

Chicago Style Citation

Wilkins, Margaret Bright. Pennsylvania County Outline Maps. [Harrisburg: Depat. of Commerce], 1960.

MLA Citation

Wilkins, Margaret Bright. Pennsylvania County Outline Maps. [Harrisburg: Depat. of Commerce], 1960.

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