APA (7th ed.) Citation

(1976). Survey among visitors to London, Summer and Autumn 1976. B.T.A..

Chicago Style (17th ed.) Citation

Survey Among Visitors to London, Summer and Autumn 1976. B.T.A., 1976.

MLA (9th ed.) Citation

Survey Among Visitors to London, Summer and Autumn 1976. B.T.A., 1976.

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