Composite MARC format :
a tabular listing of content designators used in the MARC formats /
Marc Development Office.
APA Citation
Library of Congress. MARC Development Office., Hitchcock, G. L. (1976). Composite MARC format: a tabular listing of content designators used in the MARC formats. Washington: Library of Congress.
MLA Citation
Library of Congress. MARC Development Office, and Gail L Hitchcock. Composite MARC Format: a Tabular Listing of Content Designators Used In the MARC Formats. Washington: Library of Congress, 1976.
Warning: These citations may not always be complete (especially for serials).