APA (7th ed.) Citation

Schumacher, E. F. (2011). Small is beautiful: A study of economics as if people mattered. Vintage.

Chicago Style (17th ed.) Citation

Schumacher, E. F. Small Is Beautiful: A Study of Economics as If People Mattered. London: Vintage, 2011.

MLA (8th ed.) Citation

Schumacher, E. F. Small Is Beautiful: A Study of Economics as If People Mattered. Vintage, 2011.