APA (7th ed.) Citation

Corder, S. P. (1973). Introducing applied linguistics. Penguin books.

Chicago Style (17th ed.) Citation

Corder, S. Pit. Introducing Applied Linguistics. New York [etc.]: Penguin books, 1973.

MLA (9th ed.) Citation

Corder, S. Pit. Introducing Applied Linguistics. Penguin books, 1973.