Classification.
Class P, subclasses PN, PR, PS, PZ: Literature (general), English and American literatures, fiction in English, juvenile literature,
APA Citation
Library of Congress. Subject Cataloging Division., Gale Research Company., Library of Congress. Classification Division. Classification. (1956). Classification: Class P, subclasses PN, PR, PS, PZ: Literature (general), English and American literatures, fiction in English, juvenile literature. Washington.
MLA Citation
Library of Congress. Subject Cataloging Division, Gale Research Company, and Library of Congress. Classification Division. Classification. Classification: Class P, Subclasses PN, PR, PS, PZ: Literature (general), English And American Literatures, Fiction In English, Juvenile Literature. Washington, 1956.
Warning: These citations may not always be complete (especially for serials).