APA-Zitierstil (7. Ausg.)

Ward, W. C., Carlson, S. B., & Woisetschlaeger, E. (1983). Ill-structured problems as multiple-choice items.

Chicago-Zitierstil (17. Ausg.)

Ward, William C., Sybil B. Carlson, und Erich Woisetschlaeger. Ill-structured Problems as Multiple-choice Items. Princeton, N.J, 1983.

MLA-Zitierstil (9. Ausg.)

Ward, William C., et al. Ill-structured Problems as Multiple-choice Items. 1983.