APA (7th ed.) Citation

Heggie, I. G. (1976). Modal choice and the value of travel time. Clarendon Press.

Chicago Style (17th ed.) Citation

Heggie, Ian G. Modal Choice and the Value of Travel Time. Oxford: Clarendon Press, 1976.

MLA (9th ed.) Citation

Heggie, Ian G. Modal Choice and the Value of Travel Time. Clarendon Press, 1976.

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