APA (7th ed.) Citation

O'Neill, R., Cornelius, E. T., & Washburn, G. N. (1981). AKL advanced. Longman.

Chicago Style (17th ed.) Citation

O'Neill, Robert, Edwin T. Cornelius, and Gay N. Washburn. AKL Advanced. New York: Longman, 1981.

MLA (9th ed.) Citation

O'Neill, Robert, et al. AKL Advanced. Longman, 1981.