APA (7th ed.) Citation

Schumacher, E. F. Small is beautiful: A study of mathematics as if people mattered. Sphere Books, c1973.

Chicago Style (17th ed.) Citation

Schumacher, E F. Small Is Beautiful: A Study of Mathematics as If People Mattered. London: Sphere Books, c1973.

MLA (9th ed.) Citation

Schumacher, E F. Small Is Beautiful: A Study of Mathematics as If People Mattered. Sphere Books, c1973.

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