Hawkins, E. K. (1970). The principles of developement aid (1st published.). Penguin Books.
Chicago Style (17th ed.) CitationHawkins, E. K. The Principles of Developement Aid. 1st published. Harmondsworth [etc.]: Penguin Books, 1970.
MLA (9th ed.) CitationHawkins, E. K. The Principles of Developement Aid. 1st published. Penguin Books, 1970.
Warning: These citations may not always be 100% accurate.