APA (7th ed.) Citation

Eyles, V. A., Simpson, J. B., & Macgregor, A. G. (1949). Geology of central Ayrshire (2nd ed.). H.M.S.O..

Chicago Style (17th ed.) Citation

Eyles, V. A., J. B. Simpson, and A. G. Macgregor. Geology of Central Ayrshire. 2nd ed. Edinburgh: H.M.S.O., 1949.

MLA (8th ed.) Citation

Eyles, V. A., et al. Geology of Central Ayrshire. 2nd ed. H.M.S.O., 1949.