Cita APA (7th ed.)

Lutz, F. A. (1968). The theory of interest. D. Reidel.

Cita Chicago (17th ed.)

Lutz, Friedrich August. The Theory of Interest. Dordrecht: D. Reidel, 1968.

Cita MLA (9th ed.)

Lutz, Friedrich August. The Theory of Interest. D. Reidel, 1968.