APA (7th ed.) Citation

California Library Association, Blumann, E., & Powell, L. C. (1950). California local history: A centennial bibliography. Stanford University Press.

Chicago Style (17th ed.) Citation

California Library Association, Ethel Blumann, and Lawrence Clark Powell. California Local History: A Centennial Bibliography. Stanford, Calif.: Stanford University Press, 1950.

MLA (9th ed.) Citation

California Library Association, et al. California Local History: A Centennial Bibliography. Stanford University Press, 1950.