Cita APA (7a ed.)

Kozak, E., & Bóveda, E. (2009). One day. Index Book.

Cita Chicago Style (17a ed.)

Kozak, Emil, y Elisabet Bóveda. One Day. Barcelona: Index Book, 2009.

Cita MLA (9a ed.)

Kozak, Emil, y Elisabet Bóveda. One Day. Index Book, 2009.