Cita APA (7th ed.)

Enderton, H. B. (2001). A mathematical introduction to logic (2nd ed.). Academic Press.

Cita Chicago (17th ed.)

Enderton, Herbert B. A Mathematical Introduction to Logic. 2nd ed. San Diego: Academic Press, 2001.

Cita MLA (9th ed.)

Enderton, Herbert B. A Mathematical Introduction to Logic. 2nd ed. Academic Press, 2001.