Cita APA (7a ed.)
Hopkins, D. M. (1967). The bering land bridge. Stanford University Press.
Cita Chicago Style (17a ed.)
Hopkins, David Moody. The Bering Land Bridge. Stanford, California: Stanford University Press, 1967.
Cita MLA (9a ed.)
Hopkins, David Moody. The Bering Land Bridge. Stanford University Press, 1967.
警告：這些引文格式不一定是100％准確.