APA-referens (7:e uppl.)

Library of Congress, University of North Carolina (1793-1962), Jenkins, W. S., & Hamrick, L. A. (1950). A Guide to the microfilm collection of early state records. Library of Congress, Photoduplication Service.

Chicago-referens (17:e uppl.)

Library of Congress, University of North Carolina (1793-1962), William Sumner Jenkins, och Lillian A. Hamrick. A Guide to the Microfilm Collection of Early State Records. [Washington, D.C.]: Library of Congress, Photoduplication Service, 1950.

MLA-referens (8:e uppl.)

Library of Congress, et al. A Guide to the Microfilm Collection of Early State Records. Library of Congress, Photoduplication Service, 1950.