APA

Library of Congress, Runchock R. & Droste K. D. (1997). Class K: Library of Congress classification schedules combined with additions and changes through 1997. Detroit, MI: Gale Research Company.

Chicago

Library of Congress, Runchock Rita and Droste Kathleen D. 1997. Class K: Library of Congress classification schedules combined with additions and changes through 1997. Detroit, MI: Gale Research Company.

Harvard

Library of Congress, Runchock R. and Droste K. D. (1997). Class K: Library of Congress classification schedules combined with additions and changes through 1997. Detroit, MI: Gale Research Company.

MLA

Library of Congress, Runchock Rita and Droste Kathleen D. Class K: Library of Congress classification schedules combined with additions and changes through 1997. Detroit, MI: Gale Research Company. 1997.