APA (7th ed.) Citation

Roberts, L. W. (1979). Historic resource study: Channel Islands National Monument and San Miguel Island, California. [National Park Service, Denver Service Center].

Chicago Style (17th ed.) Citation

Roberts, Lois W. Historic Resource Study: Channel Islands National Monument and San Miguel Island, California. [Denver, Colorado]: [National Park Service, Denver Service Center], 1979.

MLA (9th ed.) Citation

Roberts, Lois W. Historic Resource Study: Channel Islands National Monument and San Miguel Island, California. [National Park Service, Denver Service Center], 1979.