APA-referens (7:e uppl.)

Feynman, R. P. (2005). Don't you have time to think? Penguin,.

Chicago-referens (17:e uppl.)

Feynman, Richard Phillips. Don't You Have Time to Think? London: Penguin,, 2005.

MLA-referens (8:e uppl.)

Feynman, Richard Phillips. Don't You Have Time to Think? Penguin,, 2005.