APA (7th ed.) Citation

Churchill, W., & Churchill, R. S. (1942). Sangre, sudor y lágrimas (3a ed.). Claridad.

Chicago Style (17th ed.) Citation

Churchill, Winston, and Randolph S. Churchill. Sangre, Sudor Y Lágrimas. 3a ed. Buenos Aires: Claridad, 1942.

MLA (9th ed.) Citation

Churchill, Winston, and Randolph S. Churchill. Sangre, Sudor Y Lágrimas. 3a ed. Claridad, 1942.

Warning: These citations may not always be 100% accurate.