APA (7th ed.) Citation

PENNINK. (1981). This is Washington. Heinemann Educational Books.

Chicago Style (17th ed.) Citation

PENNINK. This Is Washington. London: Heinemann Educational Books, 1981.

MLA (8th ed.) Citation

PENNINK. This Is Washington. Heinemann Educational Books, 1981.

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