APA (7th ed.) Citation

Howatt, A. P. R. (1969). Programmed Learning and the Language Teacher. Longmans.

Chicago Style (17th ed.) Citation

Howatt, Anthony P. R. Programmed Learning and the Language Teacher. Londres: Longmans, 1969.

MLA (9th ed.) Citation

Howatt, Anthony P. R. Programmed Learning and the Language Teacher. Longmans, 1969.