Cita APA (7a ed.)

Pestana, M., & Pestana, M. (2012). Metaphysics. IntechOpen.

Cita Chicago Style (17a ed.)

Pestana, Mark, y Mark Pestana. Metaphysics. [Place of publication not identified]: IntechOpen, 2012.

Cita MLA (9a ed.)

Pestana, Mark, y Mark Pestana. Metaphysics. IntechOpen, 2012.