Roller coasters : United States and Canada

MLA

Throgmorton, Todd H. and Samantha K. Throgmorton. Roller coasters : United States and Canada. Jefferson, North Carolina : McFarland & Company, Inc., Publishers, 2015.

APA

Throgmorton, T. & Throgmorton, S. (2015). Roller coasters : United States and Canada. Jefferson, North Carolina : McFarland & Company, Inc., Publishers.

Chicago

Throgmorton, Todd H. and Samantha K. Throgmorton. Roller coasters : United States and Canada. Jefferson, North Carolina : McFarland & Company, Inc., Publishers, 2015.