Cita APA (7th ed.)

Allen, C. L. (1954). Problems in the theory of price. Prentice-Hall.

Cita Chicago (17th ed.)

Allen, Clark Lee. Problems in the Theory of Price. Englewood Cliffs, N.J: Prentice-Hall, 1954.

Cita MLA (9th ed.)

Allen, Clark Lee. Problems in the Theory of Price. Prentice-Hall, 1954.