APA (7th ed.) Citation

Moseley, D., & Nicol, C. (1990). The A.B.C. spelling dictionary (6th ed.). Learning Development Aids.

Chicago Style (17th ed.) Citation

Moseley, David, and Catherine Nicol. The A.B.C. Spelling Dictionary. 6th ed. London: Learning Development Aids, 1990.

MLA (9th ed.) Citation

Moseley, David, and Catherine Nicol. The A.B.C. Spelling Dictionary. 6th ed. Learning Development Aids, 1990.