United States Library of Congress Classification Division & Gale Research Company. (1950). Classification. Class B, part 1, B-BJ: Philosophy (2nd ed.). U. S. Government Printing Office.
Chicago Style (17th ed.) CitationUnited States Library of Congress Classification Division and Gale Research Company. Classification. Class B, Part 1, B-BJ: Philosophy. 2nd ed. Washington: U. S. Government Printing Office, 1950.
MLA (9th ed.) CitationUnited States Library of Congress Classification Division and Gale Research Company. Classification. Class B, Part 1, B-BJ: Philosophy. 2nd ed. U. S. Government Printing Office, 1950.
Warning: These citations may not always be 100% accurate.