APA (7th ed.) Citation

Spring, I., & Manning, H. (1985). 100 hikes in the North Cascades. 100 hikes in the North Cascades.

Chicago Style (17th ed.) Citation

Spring, I., and H. Manning. "100 Hikes in the North Cascades." 100 Hikes in the North Cascades 1985.

MLA (9th ed.) Citation

Spring, I., and H. Manning. "100 Hikes in the North Cascades." 100 Hikes in the North Cascades, 1985.

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