Clack, J. A. (2011). Gaining ground: The origin and evolution of tetrapods (2nd ed.). Indiana University Press.
芝加哥风格引文Clack, Jennifer A. Gaining Ground: The Origin and Evolution of Tetrapods. 2nd ed. Bloomington: Indiana University Press, 2011.
MLA引文Clack, Jennifer A. Gaining Ground: The Origin and Evolution of Tetrapods. 2nd ed. Indiana University Press, 2011.
警告：这些引文格式不一定是100％准确.