APA Style

Palmer, Harold E.. (1968). The scientific study and teaching of languages . London: Oxford University Press.

Chicago Style

Palmer, Harold E.. The scientific study and teaching of languages. London: Oxford University Press, 1968. Text.

MLA Style

Palmer, Harold E.. The scientific study and teaching of languages. London: Oxford University Press, 1968. Text.

Turabian Style

Palmer, Harold E.. The scientific study and teaching of languages. London: Oxford University Press, 1968. Print.