APA (7th ed.) Citation

Duffield, W. A., Weldin, R. D., & Davis, W. E. Mineral resources of the South Warner Wilderness, Modoc County, California.

Chicago Style (17th ed.) Citation

Duffield, Wendell A., Robert D. Weldin, and W. E. Davis. Mineral Resources of the South Warner Wilderness, Modoc County, California.

MLA (9th ed.) Citation

Duffield, Wendell A., et al. Mineral Resources of the South Warner Wilderness, Modoc County, California.