Cita APA (7th ed.)

Snowdon, R. A., Temporal, J., & Hignett, H. (1981). A linear rock cutting rig. Transport and Road Research Laboratory.

Cita Chicago (17th ed.)

Snowdon, R. A., J. Temporal, i H.J Hignett. A Linear Rock Cutting Rig. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1981.

Cita MLA (9th ed.)

Snowdon, R. A., et al. A Linear Rock Cutting Rig. Transport and Road Research Laboratory, 1981.