APA (7th ed.) Citation

Trails Illustrated (Firm). (1997). Shenandoah National Park, Virginia (Rev. 1997.). Trails Illustrated.

Chicago Style (17th ed.) Citation

Trails Illustrated (Firm). Shenandoah National Park, Virginia. Rev. 1997. Evergreen, Colo.: Trails Illustrated, 1997.

MLA (9th ed.) Citation

Trails Illustrated (Firm). Shenandoah National Park, Virginia. Rev. 1997. Trails Illustrated, 1997.

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