Cita APA

Pólya, G., & Alexanderson, G. L. (1987). The Pólya picture album: Encounters of a mathematician. Birkhäuser.

Citación estilo Chicago

Pólya, George, and Gerald L. Alexanderson. The Pólya Picture Album: Encounters of a Mathematician. Boston: Birkhäuser, 1987.

Cita MLA

Pólya, George, and Gerald L. Alexanderson. The Pólya Picture Album: Encounters of a Mathematician. Boston: Birkhäuser, 1987.