Cita APA (7a ed.)

(2012). Library of Congress classification. B-BJ. Philosophy. Psychology / prepared by the Policy and Standards Division, Library Services.

Cita Chicago Style (17a ed.)

Library of Congress Classification. B-BJ. Philosophy. Psychology / Prepared by the Policy and Standards Division, Library Services. 2012.

Cita MLA (9a ed.)

Library of Congress Classification. B-BJ. Philosophy. Psychology / Prepared by the Policy and Standards Division, Library Services. 2012.