APA (7th ed.) Citation

Kattsoff, L. O. (1969). A philosophy of mathematics. Books for Libraries Pr.

Chicago Style (17th ed.) Citation

Kattsoff, Louis O. A Philosophy of Mathematics. Freeport, N.Y: Books for Libraries Pr, 1969.

MLA (9th ed.) Citation

Kattsoff, Louis O. A Philosophy of Mathematics. Books for Libraries Pr, 1969.