APA (7th ed.) Citation

Hawkins, E. K. (1970). The principles of developement aid (1st published.). Penguin Books.

Chicago Style (17th ed.) Citation

Hawkins, E. K. The Principles of Developement Aid. 1st published. Harmondsworth [etc.]: Penguin Books, 1970.

MLA (9th ed.) Citation

Hawkins, E. K. The Principles of Developement Aid. 1st published. Penguin Books, 1970.

Warning: These citations may not always be 100% accurate.