Cita APA (7th ed.)

Crowther, J. G. (1952). British scientists of the twentieth century. Routledge & K. Paul.

Cita Chicago (17th ed.)

Crowther, J. G. British Scientists of the Twentieth Century. London: Routledge & K. Paul, 1952.

Cita MLA (8th ed.)

Crowther, J. G. British Scientists of the Twentieth Century. Routledge & K. Paul, 1952.