APA (7th ed.) Citation

Penín, R. P. (1940). Íleo billiar.

Chicago Style (17th ed.) Citation

Penín, Raúl P. Íleo Billiar. 1940.

MLA (8th ed.) Citation

Penín, Raúl P. Íleo Billiar. 1940.

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