Hancock, J., Kushlan, J. A., Kahl, M. P., Harris, A., & Quinn, D. (1992). Storks, ibises and spoonbills of the world. Academic Press.
Cita Chicago (17th ed.)Hancock, James, James A. Kushlan, M. Philip Kahl, Alan Harris, i David Quinn. Storks, Ibises and Spoonbills of the World. London: Academic Press, 1992.
Cita MLA (9th ed.)Hancock, James, et al. Storks, Ibises and Spoonbills of the World. Academic Press, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.