Cita APA (7a ed.)

O'Neill, R., Anger, L., & Davy, K. (1981). Américan Kernel lessons: Beginning (1st edition.). Longman.

Cita Chicago Style (17a ed.)

O'Neill, Robert, Larry Anger, y Karen Davy. Américan Kernel Lessons: Beginning. 1st edition. New York: Longman, 1981.

Cita MLA (8a ed.)

O'Neill, Robert, et al. Américan Kernel Lessons: Beginning. 1st edition. Longman, 1981.