APA
Gerge J. M., Shah H. C. & Portable Stanford. (1984). Terra non firma. New York: W.H. Freeman.
Chicago
Gerge James M, Shah Haresh C and Portable Stanford. 1984. Terra non firma. New York: W.H. Freeman.
Harvard
Gerge J. M., Shah H. C. and Portable Stanford. (1984). Terra non firma. New York: W.H. Freeman.
MLA
Gerge James M, Shah Haresh C and Portable Stanford. Terra non firma. New York: W.H. Freeman. 1984.