APA (7th ed.) Citation

Alfaro, A., & Valverde, E. (25). Surf: Shortboard.

Chicago Style (17th ed.) Citation

Alfaro, Antonio, and Esteban Valverde. Surf: Shortboard. 25.

MLA (9th ed.) Citation

Alfaro, Antonio, and Esteban Valverde. Surf: Shortboard. 25.

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