Παραπομπή σε μορφή APA (7η εκδ.)

Heghin, M., & Thomas, F. O. (1937). Manual for Steps to citizenship. Works Progress Administration, Adult Education Project, University of Chicago.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Heghin, Mary, και Frances O. Thomas. Manual for Steps to Citizenship. Chicago: Works Progress Administration, Adult Education Project, University of Chicago, 1937.

Παραπομπή σε μορφή MLA (8th εκδ.)

Heghin, Mary, και Frances O. Thomas. Manual for Steps to Citizenship. Works Progress Administration, Adult Education Project, University of Chicago, 1937.