Classification.
Class Q, Science.
APA Citation
Library of Congress. Subject Cataloging Division., Voegelein, L. Belle (Lily Belle). (1948). Classification: Class Q, Science. 4th ed. Washington: U. S. Govt. Print. Off..
MLA Citation
Library of Congress. Subject Cataloging Division, and L. Belle (Lily Belle) Voegelein. Classification: Class Q, Science. 4th ed. Washington: U. S. Govt. Print. Off., 1948.
Warning: These citations may not always be complete (especially for serials).