APA (7th ed.) Citation

Ewan, V. J., West, G., & Temporal, J. (1981). Reproducibility of joint spacing measurements in rock. Transport and Road Research Laboratory.

Chicago Style (17th ed.) Citation

Ewan, V. J., G. West, and J. Temporal. Reproducibility of Joint Spacing Measurements in Rock. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1981.

MLA (9th ed.) Citation

Ewan, V. J., et al. Reproducibility of Joint Spacing Measurements in Rock. Transport and Road Research Laboratory, 1981.