APA (7th ed.) Citation

Sierra i Fabra, J., & Forero, M. P. Cartas a Tatiana.

Chicago Style (17th ed.) Citation

Sierra i Fabra, Jordi, and María Paula Forero. Cartas a Tatiana. Bogotá.

MLA (9th ed.) Citation

Sierra i Fabra, Jordi, and María Paula Forero. Cartas a Tatiana.

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