APA (7th ed.) Citation

Greenbaum, S. (1969). Studies in English adverbial usage. Longman.

Chicago Style (17th ed.) Citation

Greenbaum, Sidney. Studies in English Adverbial Usage. London: Longman, 1969.

MLA (8th ed.) Citation

Greenbaum, Sidney. Studies in English Adverbial Usage. Longman, 1969.

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