APA (7th ed.) Citation

So Relle, R. P. (1923). The new rational typewriting. Gregg Pub. Co..

Chicago Style (17th ed.) Citation

So Relle, Rupert Pitt. The New Rational Typewriting. New York : Chicago [etc.]: Gregg Pub. Co., 1923.

MLA (8th ed.) Citation

So Relle, Rupert Pitt. The New Rational Typewriting. Gregg Pub. Co., 1923.