Cita APA (7a ed.)

Michalos, A. C. (1969). Principles of logic. Prentice-Hall.

Cita Chicago Style (17a ed.)

Michalos, Alex C. Principles of Logic. Englewood Cliffs: Prentice-Hall, 1969.

Cita MLA (9a ed.)

Michalos, Alex C. Principles of Logic. Prentice-Hall, 1969.