APA (7th ed.) Citation

Harris, A. G. (1977). Geology of national parks (2d ed.). Kendall/Hunt Pub. Co..

Chicago Style (17th ed.) Citation

Harris, Ann G. Geology of National Parks. 2d ed. Dubuque, Iowa: Kendall/Hunt Pub. Co., 1977.

MLA (9th ed.) Citation

Harris, Ann G. Geology of National Parks. 2d ed. Kendall/Hunt Pub. Co., 1977.