APA (7th ed.) Citation

Houghton, H. W. (1925). Rational arithmetic for commercial students. Gregg Publishing Company.

Chicago Style (17th ed.) Citation

Houghton, H. W. Rational Arithmetic for Commercial Students. London [etc.]: Gregg Publishing Company, 1925.

MLA (9th ed.) Citation

Houghton, H. W. Rational Arithmetic for Commercial Students. Gregg Publishing Company, 1925.

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