Cita APA (7th ed.)

Hopkin, J. M. (1981). The ownership and use of cars by elderly people. Transport and Road Research Laboratory.

Cita Chicago (17th ed.)

Hopkin, Jean M. The Ownership and Use of Cars by Elderly People. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1981.

Cita MLA (9th ed.)

Hopkin, Jean M. The Ownership and Use of Cars by Elderly People. Transport and Road Research Laboratory, 1981.