Cita APA

Barker, S. F., & Barker, S. F. (1965). Philosophy of mathematics. Englewood Cliffs, N.J.: Prentice Hall.

Citación estilo Chicago

Barker, Stephen Francis, y Stephen Francis Barker. Philosophy of Mathematics. Englewood Cliffs, N.J.: Prentice Hall, 1965.

Cita MLA

Barker, Stephen Francis, y Stephen Francis Barker. Philosophy of Mathematics. Englewood Cliffs, N.J.: Prentice Hall, 1965.