APA Style

Deci, Edward L., Flaste, Richard. (1995). Why we do what we do : understanding self-motivation . Middlesex: Penguin Books.

Chicago Style

Deci, Edward L., Flaste, Richard. Why we do what we do : understanding self-motivation. Middlesex: Penguin Books, 1995. Printed Material.

MLA Style

Deci, Edward L., Flaste, Richard. Why we do what we do : understanding self-motivation. Middlesex: Penguin Books, 1995. Printed Material.

Turabian Style

Deci, Edward L., Flaste, Richard. Why we do what we do : understanding self-motivation. Middlesex: Penguin Books, 1995. Printed Material.