APA (7th ed.) Citation

Lehman, H. (1979). Introduction to the philosophy of mathematics. Rowman and Littlefield.

Chicago Style (17th ed.) Citation

Lehman, Hugh. Introduction to the Philosophy of Mathematics. Totowa, N.J.: Rowman and Littlefield, 1979.

MLA (9th ed.) Citation

Lehman, Hugh. Introduction to the Philosophy of Mathematics. Rowman and Littlefield, 1979.

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