The foundations of mathematics
MLA
Stewart, Ian Nicholas, and David Orme Tall. The Foundations of Mathematics. 2nd edition, 2015 Oxford University Press: Oxford, 2015.
APA
Stewart, I. Nicholas, & Tall, D. Orme. (2015). The foundations of mathematics. 2nd edition, 2015 Oxford University Press: Oxford.
Chicago
Stewart, Ian Nicholas, and David Orme Tall. The Foundations of Mathematics. 2nd edition, 2015 Oxford University Press: Oxford, 2015.