Cita APA

Veblen, O. n. 1., Young, J. W. 1., & Wesley Young. (1938). Projective geometry. New York, New York: Blaisdell.

Citación estilo Chicago

Veblen, Oswald n. 1880, John Wesley 1879-1932 Young, y Wesley Young. Projective Geometry. New York, New York: Blaisdell, 1938.

Cita MLA

Veblen, Oswald n. 1880, John Wesley 1879-1932 Young, y Wesley Young. Projective Geometry. New York, New York: Blaisdell, 1938.