Cita APA

Schwarzschild, L., & Brogan, D. (1943). World in trance. Hamish Hamilton.

Citación estilo Chicago

Schwarzschild, Leopold, y D.W Brogan. World in Trance. London: Hamish Hamilton, 1943.

Cita MLA

Schwarzschild, Leopold, y D.W Brogan. World in Trance. Hamish Hamilton, 1943.