APA (7th ed.) Citation

Hudson, H. C. (1982). Classifying social data (First edition.). Jossey-Bass.

Chicago Style (17th ed.) Citation

Hudson, Herschel C. Classifying Social Data. First edition. San Francisco: Jossey-Bass, 1982.

MLA (9th ed.) Citation

Hudson, Herschel C. Classifying Social Data. First edition. Jossey-Bass, 1982.