APA (7th ed.) Citation

Crowther, J. G. (1945). Tomás Alva Edison. Espasa Calpe.

Chicago Style (17th ed.) Citation

Crowther, J. G. Tomás Alva Edison. Buenos Aires: Espasa Calpe, 1945.

MLA (9th ed.) Citation

Crowther, J. G. Tomás Alva Edison. Espasa Calpe, 1945.