APA
(1959). Adult education services of state departments of education. Washington, USA: U.S. Government Printing Office.
Chicago
1959. Adult education services of state departments of education. Washington, USA: U.S. Government Printing Office.
Harvard
(1959). Adult education services of state departments of education. Washington, USA: U.S. Government Printing Office.
MLA
Adult education services of state departments of education. Washington, USA: U.S. Government Printing Office. 1959.
