APA (7th ed.) Citation

May, K. O. (1973). Bibliography and Research Manual of the History of Mathematics.

Chicago Style (17th ed.) Citation

May, Kenneth O. Bibliography and Research Manual of the History of Mathematics. 1973.

MLA (9th ed.) Citation

May, Kenneth O. Bibliography and Research Manual of the History of Mathematics. 1973.

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