APA (7th ed.) Citation

Archibald, R. C. (1949). Outline of the history of mathematics / by R.C. Archibald (6th ed.). Mathematicsal Association of America.

Chicago Style (17th ed.) Citation

Archibald, R. C. Outline of the History of Mathematics / by R.C. Archibald. 6th ed. Mathematicsal Association of America, 1949.

MLA (9th ed.) Citation

Archibald, R. C. Outline of the History of Mathematics / by R.C. Archibald. 6th ed. Mathematicsal Association of America, 1949.

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