Senning, C. P., Post, P., & Björkman, S. (2008). Emily's Christmas gifts. Collins.
Cita Chicago Style (17a ed.)Senning, Cindy Post, Peggy Post, y Steve Björkman. Emily's Christmas Gifts. New York: Collins, 2008.
Cita MLA (8a ed.)Senning, Cindy Post, et al. Emily's Christmas Gifts. Collins, 2008.
Precaución: Estas citas no son 100% exactas.