APA (7th ed.) Citation

Harrison, P. (1987). The greening of Africa: Breaking through in the battle for land and food. Penguin Books.

Chicago Style (17th ed.) Citation

Harrison, Paul. The Greening of Africa: Breaking Through in the Battle for Land and Food. Harmondsworth, Middlesex, England ; New York, N.Y.: Penguin Books, 1987.

MLA (9th ed.) Citation

Harrison, Paul. The Greening of Africa: Breaking Through in the Battle for Land and Food. Penguin Books, 1987.