APA (7th ed.) Citation

Grassick, M. K. (2005). Alcatraz Island, Main Prison Building, Golden Gate National Recreation Area, San Francisco, California. Media Services, Harpers Ferry Center, National Park Service.

Chicago Style (17th ed.) Citation

Grassick, Mary K. Alcatraz Island, Main Prison Building, Golden Gate National Recreation Area, San Francisco, California. [Harpers Ferry, W.Va.]: Media Services, Harpers Ferry Center, National Park Service, 2005.

MLA (9th ed.) Citation

Grassick, Mary K. Alcatraz Island, Main Prison Building, Golden Gate National Recreation Area, San Francisco, California. Media Services, Harpers Ferry Center, National Park Service, 2005.