APA (7th ed.) Citation

Hensley, G., & Becker, T. R. (2013). National parks and monuments series: The grand circle. Chip Taylor Communications.

Chicago Style (17th ed.) Citation

Hensley, Greg, and T. Ray Becker. National Parks and Monuments Series: The Grand Circle. Derry, NH: Chip Taylor Communications, 2013.

MLA (9th ed.) Citation

Hensley, Greg, and T. Ray Becker. National Parks and Monuments Series: The Grand Circle. Chip Taylor Communications, 2013.