APA (7th ed.) Citation

Ostertag, R., & Ostertag, G. (1998). Hiking Pennsylvania. Falcon.

Chicago Style (17th ed.) Citation

Ostertag, Rhonda, and George Ostertag. Hiking Pennsylvania. Helena, Montana: Falcon, 1998.

MLA (9th ed.) Citation

Ostertag, Rhonda, and George Ostertag. Hiking Pennsylvania. Falcon, 1998.

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