APA (7th ed.) Citation

Lewis, S., & Onis, C. d. (1947). El Doctor Arrowsmith. Lauro.

Chicago Style (17th ed.) Citation

Lewis, Sinclair, and Carlos de Onis. El Doctor Arrowsmith. [Barcelona]: Lauro, 1947.

MLA (9th ed.) Citation

Lewis, Sinclair, and Carlos de Onis. El Doctor Arrowsmith. Lauro, 1947.

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