APA (7th ed.) Citation

Boutroux, E. (1906). Las leyes naturales. F. Granada [etc.].

Chicago Style (17th ed.) Citation

Boutroux, Emile. Las Leyes Naturales. Barcelona [etc.]: F. Granada [etc.], 1906.

MLA (9th ed.) Citation

Boutroux, Emile. Las Leyes Naturales. F. Granada [etc.], 1906.

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