APA (7th ed.) Citation

Tintner, G. (1940). The variate difference method. Principia Press.

Chicago Style (17th ed.) Citation

Tintner, Gerhard. The Variate Difference Method. Bloomington: Principia Press, 1940.

MLA (8th ed.) Citation

Tintner, Gerhard. The Variate Difference Method. Principia Press, 1940.

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