Cita APA (7th ed.)
Clack, J. A. (2011). Gaining ground: The origin and evolution of tetrapods (2nd ed.). Indiana University Press.
Cita Chicago (17th ed.)
Clack, Jennifer A. Gaining Ground: The Origin and Evolution of Tetrapods. 2nd ed. Bloomington: Indiana University Press, 2011.
Cita MLA (9th ed.)
Clack, Jennifer A. Gaining Ground: The Origin and Evolution of Tetrapods. 2nd ed. Indiana University Press, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.