APA (7th ed.) Citation

Colton, R. B., Holligan, J. A., & Anderson, L. W. (1975). Preliminary map of landslide deposits, Denver 1⁰ x 2⁰ quadrangle, Colorado. The Survey.

Chicago Style (17th ed.) Citation

Colton, Roger B., Jeffrey A. Holligan, and Larry Wade Anderson. Preliminary Map of Landslide Deposits, Denver 1⁰ X 2⁰ Quadrangle, Colorado. [Reston, Va.]: The Survey, 1975.

MLA (9th ed.) Citation

Colton, Roger B., et al. Preliminary Map of Landslide Deposits, Denver 1⁰ X 2⁰ Quadrangle, Colorado. The Survey, 1975.