APA (7th ed.) Citation

Rizza, P. F., Hughes, J. C., & Smith, A. R. (1975). Pennsylvania atlas: A thematic atlas of the Keystone State. Dep. of Geogr.

Chicago Style (17th ed.) Citation

Rizza, Paul F., James C. Hughes, and Allen R. Smith. Pennsylvania Atlas: A Thematic Atlas of the Keystone State. Slippery Rock: Dep. of Geogr, 1975.

MLA (9th ed.) Citation

Rizza, Paul F., et al. Pennsylvania Atlas: A Thematic Atlas of the Keystone State. Dep. of Geogr, 1975.