APA (7th ed.) Citation

Palmer, H. E. (1968). The scientific study and teaching of languages. Oxford U.P..

Chicago Style (17th ed.) Citation

Palmer, Harold E. The Scientific Study and Teaching of Languages. London: Oxford U.P., 1968.

MLA (9th ed.) Citation

Palmer, Harold E. The Scientific Study and Teaching of Languages. Oxford U.P., 1968.

Warning: These citations may not always be 100% accurate.