Cita APA (7a ed.)

Denna, E. L., Briggs, M. P., & Gibbs, J. G. (1991). Paradox: A student tutorial. Prentice-Hall.

Cita Chicago Style (17a ed.)

Denna, Eric L., Michael P. Briggs, y Jeff G. Gibbs. Paradox: A Student Tutorial. Englewood Cliffs, NJ: Prentice-Hall, 1991.

Cita MLA (9a ed.)

Denna, Eric L., et al. Paradox: A Student Tutorial. Prentice-Hall, 1991.