APA (7th ed.) Citation

Porschen, P., Diéguez Diéguez, R., & Glynn Smith, G. (2013). Cupcakes. Blume.

Chicago Style (17th ed.) Citation

Porschen, Peggy, Remdios Diéguez Diéguez, and Georgia Glynn Smith. Cupcakes. Barcelona: Blume, 2013.

MLA (9th ed.) Citation

Porschen, Peggy, et al. Cupcakes. Blume, 2013.