APA aipamena

Weinberg, J., & Marrucchi, E. (2012). Happy birthday, princess! Random House.

Chicago Style aipamena

Weinberg, Jennifer, and Elisa Marrucchi. Happy Birthday, Princess! New York: Random House, 2012.

MLA aipamena

Weinberg, Jennifer, and Elisa Marrucchi. Happy Birthday, Princess! Random House, 2012.