Cita APA (7a ed.)
ebrary, Inc, Ryann, A. L., & Perkins, N. J. (2011). The Black Sea: Dynamics, ecology and conservation. Nova Science Publishers.
Cita Chicago Style (17a ed.)
ebrary, Inc, Amy L. Ryann, y Nathan J. Perkins. The Black Sea: Dynamics, Ecology and Conservation. New York: Nova Science Publishers, 2011.
Cita MLA (9a ed.)
ebrary, Inc, et al. The Black Sea: Dynamics, Ecology and Conservation. Nova Science Publishers, 2011.
Precaución: Estas citas no son 100% exactas.