Cita APA

Hallerberg, A. E. 1. (1974). Mathematical proof: An elementary approach. Hafner Press.

Citación estilo Chicago

Hallerberg, Arthur E. 1918-1978. Mathematical Proof: An Elementary Approach. New York: Hafner Press, 1974.

Cita MLA

Hallerberg, Arthur E. 1918-1978. Mathematical Proof: An Elementary Approach. New York: Hafner Press, 1974.