Cita APA (7a ed.)

Mark Schwartz & Schwartz, M. (2018). Biofeedback. IntechOpen.

Cita Chicago Style (17a ed.)

Mark Schwartz y Mark Schwartz. Biofeedback. London, United Kingdom: IntechOpen, 2018.

Cita MLA (9a ed.)

Mark Schwartz y Mark Schwartz. Biofeedback. IntechOpen, 2018.