APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (8. p.)

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