Cita APA (7a ed.)

Churchill's , R. P. (1986). Study guide to accompany becoming logical an introduction to logic. St.Marin's Press.

Cita Chicago Style (17a ed.)

Churchill's , Robert Paul. Study Guide to Accompany Becoming Logical an Introduction to Logic. St.Marin's Press, 1986.

Cita MLA (9a ed.)

Churchill's , Robert Paul. Study Guide to Accompany Becoming Logical an Introduction to Logic. St.Marin's Press, 1986.