Cita APA

Blumenthal, L. M. n. 1., & Blumenthal, L. M. n. 1. (1961). A modern view of geometry. San Francisco: W.H. Freeman.

Citación estilo Chicago

Blumenthal, Leonard Mascot n. 1901, y Leonard Mascot n. 1901 Blumenthal. A Modern View of Geometry. San Francisco: W.H. Freeman, 1961.

Cita MLA

Blumenthal, Leonard Mascot n. 1901, y Leonard Mascot n. 1901 Blumenthal. A Modern View of Geometry. San Francisco: W.H. Freeman, 1961.