APA (7th ed.) Citation

O'Connor, D. J., & Arnold, G. F. (1961). Intonation of colloquial english: A practical handbook. Longmans.

Chicago Style (17th ed.) Citation

O'Connor, D. J., and G. F. Arnold. Intonation of Colloquial English: A Practical Handbook. London: Longmans, 1961.

MLA (8th ed.) Citation

O'Connor, D. J., and G. F. Arnold. Intonation of Colloquial English: A Practical Handbook. Longmans, 1961.

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