APA (7th ed.) Citation

Seers, D., & Joy, L. (1971). Development in a divided world. Penguin Books.

Chicago Style (17th ed.) Citation

Seers, Dudley, and Leonard Joy. Development in a Divided World. Harmondsworth, Middlesex, Eng.: Penguin Books, 1971.

MLA (9th ed.) Citation

Seers, Dudley, and Leonard Joy. Development in a Divided World. Penguin Books, 1971.