APA (7th ed.) Citation

Lock, C. (1981). Study skills. Kappa Delta Pi.

Chicago Style (17th ed.) Citation

Lock, Corey. Study Skills. West Lafayette, Ind. (P.O. Box A, West Lafayette 47906): Kappa Delta Pi, 1981.

MLA (9th ed.) Citation

Lock, Corey. Study Skills. Kappa Delta Pi, 1981.