Citazione Stile APA (7a Edizione)

Kegley, C. W., & Kegley, J. A. K. (1978). Introduction to logic. Charles E. Merrill Publishing.

Citazione stile Chigago Style (17a edizione)

Kegley, Charles W.., e Jacquelyn Ann K. Kegley. Introduction to Logic. Columbus [i pozostałe]: Charles E. Merrill Publishing, 1978.

Citatione MLA (9a ed.)

Kegley, Charles W.., e Jacquelyn Ann K. Kegley. Introduction to Logic. Charles E. Merrill Publishing, 1978.