APA (7th ed.) Citation

Los Angeles (Calif.). Bureau of Information, Castle Press, Barrows, H. D., Hager, E. G., & Dahlstrom, G. E. (1970). A Los Angeles lettersheet of 1878. [Castle Press].

Chicago Style (17th ed.) Citation

Los Angeles (Calif.). Bureau of Information, Castle Press, Henry D. Barrows, Everett Gordon Hager, and Grant Edward Dahlstrom. A Los Angeles Lettersheet of 1878. [Pasadena]: [Castle Press], 1970.

MLA (9th ed.) Citation

Los Angeles (Calif.). Bureau of Information, et al. A Los Angeles Lettersheet of 1878. [Castle Press], 1970.