APA (7th ed.) Citation

Wieser, F., & Smart, W. (1956). Natural value. Kelley & Millman.

Chicago Style (17th ed.) Citation

Wieser, Friedrich, and William Smart. Natural Value. N.Y.: Kelley & Millman, 1956.

MLA (8th ed.) Citation

Wieser, Friedrich, and William Smart. Natural Value. Kelley & Millman, 1956.

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