APA (7th ed.) Citation

Cushing, T. (1975). A Genealogical and biographical history of Allegheny County, Pennsylvania. Genealogical Pub. Co..

Chicago Style (17th ed.) Citation

Cushing, Thomas. A Genealogical and Biographical History of Allegheny County, Pennsylvania. Baltimore: Genealogical Pub. Co., 1975.

MLA (9th ed.) Citation

Cushing, Thomas. A Genealogical and Biographical History of Allegheny County, Pennsylvania. Genealogical Pub. Co., 1975.

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