APA (7th ed.) Citation

U. S. Library of Congress. Subject Cataloging Division, Gale Research Company, Library of Congress. Classification Division, & Savage, H. (1973). Library of Congress Classification schedules, a cumulation of additions and changes, 1971-1972. Class P, philology and literature, subclasses PJ-PM: Languages and literatures of Asia, Africa, Oceania, America, mixed languages, artificial languages. Gale Research Company.

Chicago Style (17th ed.) Citation

U. S. Library of Congress. Subject Cataloging Division, Gale Research Company, Library of Congress. Classification Division, and Helen Savage. Library of Congress Classification Schedules, a Cumulation of Additions and Changes, 1971-1972. Class P, Philology and Literature, Subclasses PJ-PM: Languages and Literatures of Asia, Africa, Oceania, America, Mixed Languages, Artificial Languages. Detroit, Michigan: Gale Research Company, 1973.

MLA (9th ed.) Citation

U. S. Library of Congress. Subject Cataloging Division, et al. Library of Congress Classification Schedules, a Cumulation of Additions and Changes, 1971-1972. Class P, Philology and Literature, Subclasses PJ-PM: Languages and Literatures of Asia, Africa, Oceania, America, Mixed Languages, Artificial Languages. Gale Research Company, 1973.