APA
(1977). Annual Report of the librarian of congress: for the fiscal year ending 30 sep 1996. Washington, USA: Washington library of Congress.
Chicago
1977. Annual Report of the librarian of congress: for the fiscal year ending 30 sep 1996. Washington, USA: Washington library of Congress.
Harvard
(1977). Annual Report of the librarian of congress: for the fiscal year ending 30 sep 1996. Washington, USA: Washington library of Congress.
MLA
Annual Report of the librarian of congress: for the fiscal year ending 30 sep 1996. Washington, USA: Washington library of Congress. 1977.
