Cita APA

Veblen, O. n. 1., & Veblen, O. n. 1. (1933). Invariants of quadratic differential forms. London, Sydney.

Citación estilo Chicago

Veblen, Oswald n. 1880, y Oswald n. 1880 Veblen. Invariants of Quadratic Differential Forms. London, Sydney, 1933.

Cita MLA

Veblen, Oswald n. 1880, y Oswald n. 1880 Veblen. Invariants of Quadratic Differential Forms. London, Sydney, 1933.