APA (7th ed.) Citation
Seitz, R. H., & Seitz, B. (1989). Pennsylvania's historic places. Good Books, in cooperation with Pennsylvania Historical and Museum Commission.
Chicago Style (17th ed.) Citation
Seitz, Ruth Hoover, and Blair Seitz. Pennsylvania's Historic Places. Intercourse, PA: Good Books, in cooperation with Pennsylvania Historical and Museum Commission, 1989.
MLA (9th ed.) Citation
Seitz, Ruth Hoover, and Blair Seitz. Pennsylvania's Historic Places. Good Books, in cooperation with Pennsylvania Historical and Museum Commission, 1989.
Warning: These citations may not always be 100% accurate.