APA (7th ed.) Citation

Gheorghiu, C. V., & Ruiz y Ruiz, J. La hora veinticinco.

Chicago Style (17th ed.) Citation

Gheorghiu, Constantin Virgil, and Jesús Ruiz y Ruiz. La Hora Veinticinco. Barcelona.

MLA (9th ed.) Citation

Gheorghiu, Constantin Virgil, and Jesús Ruiz y Ruiz. La Hora Veinticinco.

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