APA

Bertrand D. G., Hernández K., Bertrand D. G., Bertrand D. G. & Bertrand D. G. (2004). Upside down and backwards. Houston, Texas: Piñata Books.

Chicago

Bertrand Diane Gonzales, Hernández Karina, Bertrand Diane Gonzales, Bertrand Diane Gonzales and Bertrand Diane Gonzales. 2004. Upside down and backwards. Houston, Texas: Piñata Books.

Harvard

Bertrand D. G., Hernández K., Bertrand D. G., Bertrand D. G. and Bertrand D. G. (2004). Upside down and backwards. Houston, Texas: Piñata Books.

MLA

Bertrand Diane Gonzales, Hernández Karina, Bertrand Diane Gonzales, Bertrand Diane Gonzales and Bertrand Diane Gonzales. Upside down and backwards. Houston, Texas: Piñata Books. 2004.