APA (7th ed.) Citation

Mead, B., Cotterall, G., & Renton, R. (1980). Units in focus. Roundhouse Press ; distributed by Australian Railway Historical Society, N.S.W. Division.

Chicago Style (17th ed.) Citation

Mead, Bruce, Graham Cotterall, and Roger Renton. Units in Focus. Waterloo, N.S.W. : [Sydney]: Roundhouse Press ; distributed by Australian Railway Historical Society, N.S.W. Division, 1980.

MLA (8th ed.) Citation

Mead, Bruce, et al. Units in Focus. Roundhouse Press ; distributed by Australian Railway Historical Society, N.S.W. Division, 1980.