Παραπομπή APA

Kalanithi, P. (2016). When breath becomes air. Penguin Random House.

Παραπομπή Chicago Style

Kalanithi, Paul. When Breath Becomes Air. UK: Penguin Random House, 2016.

Παραπομπή MLA

Kalanithi, Paul. When Breath Becomes Air. Penguin Random House, 2016.