Cita APA (7a ed.)

Yepsen Jr, R. (1987). How to boost your brain power. Universal.

Cita Chicago Style (17a ed.)

Yepsen Jr, Roger. How to Boost Your Brain Power. New Delhi: Universal, 1987.

Cita MLA (9a ed.)

Yepsen Jr, Roger. How to Boost Your Brain Power. Universal, 1987.