Cita APA (7a ed.)

Weylman, C. R. (2019). The power of why (1st.). Jaico Publishing, Mumbai.

Cita Chicago Style (17a ed.)

Weylman, C. Richard. The Power of Why. 1st. Jaico Publishing, Mumbai, 2019.

Cita MLA (9a ed.)

Weylman, C. Richard. The Power of Why. 1st. Jaico Publishing, Mumbai, 2019.