Classification.
Class S: Agriculture, plant and animal industry,
APA Citation
Library of Congress. Subject Cataloging Division. (1954). Classification: Class S: Agriculture, plant and animal industry. 3d ed. Washington.
MLA Citation
Library of Congress. Subject Cataloging Division. Classification: Class S: Agriculture, Plant And Animal Industry. 3d ed. Washington, 1954.
Warning: These citations may not always be complete (especially for serials).