Cita APA (7a ed.)

Elkins, A. J., & Elkins, C. (2004). Where have all the birdies gone? (1st world ed.). Severn House.

Cita Chicago Style (17a ed.)

Elkins, Aaron J., y Charlotte Elkins. Where Have All the Birdies Gone? 1st world ed. Sutton, Surrey [England] ; New York, NY: Severn House, 2004.

Cita MLA (8a ed.)

Elkins, Aaron J., y Charlotte Elkins. Where Have All the Birdies Gone? 1st world ed. Severn House, 2004.

Precaución: Estas citas no son 100% exactas.