APA-Zitierstil (7. Ausg.)

Fergus, P. M. (1978). Spelling improvement: A program for self-instruction (3.ed.). McGraw-Hill.

Chicago-Zitierstil (17. Ausg.)

Fergus, Patricia M. Spelling Improvement: A Program for Self-instruction. 3.ed. New York: McGraw-Hill, 1978.

MLA-Zitierstil (9. Ausg.)

Fergus, Patricia M. Spelling Improvement: A Program for Self-instruction. 3.ed. McGraw-Hill, 1978.