Cita APA (7a ed.)

Simco, N. D., & James, G. G. (1983). Elementary logic (2nd ed.). Wadsworth.

Cita Chicago Style (17a ed.)

Simco, Nancy D., y Gene G. James. Elementary Logic. 2nd ed. Belmont, Ca: Wadsworth, 1983.

Cita MLA (9a ed.)

Simco, Nancy D., y Gene G. James. Elementary Logic. 2nd ed. Wadsworth, 1983.