Cita APA (7a ed.)

Levy, H., & Spalding, H. (1952). Literature for an age of science. Methuen.

Cita Chicago Style (17a ed.)

Levy, Hyman, y Helen Spalding. Literature for an Age of Science. London: Methuen, 1952.

Cita MLA (8a ed.)

Levy, Hyman, y Helen Spalding. Literature for an Age of Science. Methuen, 1952.