APA (7th ed.) Citation

Santander, Y. A., & Romero, G. (2016). Ex libris Gabriel Romero.

Chicago Style (17th ed.) Citation

Santander, Yesica Andrea., and Gabriel Romero. Ex Libris Gabriel Romero. [S.l, 2016.

MLA (9th ed.) Citation

Santander, Yesica Andrea., and Gabriel Romero. Ex Libris Gabriel Romero. 2016.

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