APA (7th ed.) Citation

Benton, M., & Ottersen, S. (1970). Roster of Federal Libraries.

Chicago Style (17th ed.) Citation

Benton, Mildred, and Signe Ottersen. Roster of Federal Libraries. 1970.

MLA (9th ed.) Citation

Benton, Mildred, and Signe Ottersen. Roster of Federal Libraries. 1970.

Warning: These citations may not always be 100% accurate.