APA (7th ed.) Citation

Palmer, H. E. (1968). The scientific study and teaching of languages / by H.E. Palmer. OUP.

Chicago Style (17th ed.) Citation

Palmer, H. E. The Scientific Study and Teaching of Languages / by H.E. Palmer. OUP, 1968.

MLA (9th ed.) Citation

Palmer, H. E. The Scientific Study and Teaching of Languages / by H.E. Palmer. OUP, 1968.

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