U. S. Library of Congress. Subject Cataloging Division. (1933). Classification, Class P, subclasses PB-PH: Modern European languages (with supplementary pages).
Chicago Style (17th ed.) CitationU. S. Library of Congress. Subject Cataloging Division. Classification, Class P, Subclasses PB-PH: Modern European Languages (with Supplementary Pages). 1933.
MLA (9th ed.) CitationU. S. Library of Congress. Subject Cataloging Division. Classification, Class P, Subclasses PB-PH: Modern European Languages (with Supplementary Pages). 1933.
Warning: These citations may not always be 100% accurate.