APA (7th ed.) Citation

Spragg, M. (1997). Thunder of the Mustangs: Legend and lore of the wild horses. Sierra Club Books.

Chicago Style (17th ed.) Citation

Spragg, Mark. Thunder of the Mustangs: Legend and Lore of the Wild Horses. San Francisco, Calif.: Sierra Club Books, 1997.

MLA (9th ed.) Citation

Spragg, Mark. Thunder of the Mustangs: Legend and Lore of the Wild Horses. Sierra Club Books, 1997.