Cita APA (7th ed.)

Kalam, A. A. P. J. (2012). Turning Points. The Belknap Press of Harvard University Pres.

Cita Chicago (17th ed.)

Kalam, Abdul A P J. Turning Points. Cambridge: The Belknap Press of Harvard University Pres, 2012.

Cita MLA (9th ed.)

Kalam, Abdul A P J. Turning Points. The Belknap Press of Harvard University Pres, 2012.