Cita APA (7th ed.)

Braunfeld, P. G. (1969). Stretchers and shrinkers: Book 3 The Theory of Fractions. Harper & Row.

Cita Chicago (17th ed.)

Braunfeld, Peter G. Stretchers and Shrinkers: Book 3 The Theory of Fractions. New York: Harper & Row, 1969.

Cita MLA (9th ed.)

Braunfeld, Peter G. Stretchers and Shrinkers: Book 3 The Theory of Fractions. Harper & Row, 1969.