APA (7th ed.) Citation

Thornley, G. (1971). Changing horizons. Longman Group Limited.

Chicago Style (17th ed.) Citation

Thornley, G.C. Changing Horizons. Longman Group Limited, 1971.

MLA (8th ed.) Citation

Thornley, G.C. Changing Horizons. Longman Group Limited, 1971.

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