APA

Library of Congress, Savage H., Runchock R. & Droste K. D. (1988). Class H, social sciences: Library of Congress classification schedules with additions and changes through 1987. Detroit, Mich: Gale Research Company.

Chicago

Library of Congress, Savage Helen, Runchock Rita and Droste Kathleen D. 1988. Class H, social sciences: Library of Congress classification schedules with additions and changes through 1987. Detroit, Mich: Gale Research Company.

Harvard

Library of Congress, Savage H., Runchock R. and Droste K. D. (1988). Class H, social sciences: Library of Congress classification schedules with additions and changes through 1987. Detroit, Mich: Gale Research Company.

MLA

Library of Congress, Savage Helen, Runchock Rita and Droste Kathleen D. Class H, social sciences: Library of Congress classification schedules with additions and changes through 1987. Detroit, Mich: Gale Research Company. 1988.