APA (7th ed.) Citation

Richey, J. E., Anderson, E. M., & MacGregor, A. G. (1930). The geology of north Ayrshire: (Explanation of one-inch sheet 22) (2nd ed.). Printed under the authority of H.M.S.O..

Chicago Style (17th ed.) Citation

Richey, J. E., E. M. Anderson, and A. G. MacGregor. The Geology of North Ayrshire: (Explanation of One-inch Sheet 22). 2nd ed. Edinburgh: Printed under the authority of H.M.S.O., 1930.

MLA (8th ed.) Citation

Richey, J. E., et al. The Geology of North Ayrshire: (Explanation of One-inch Sheet 22). 2nd ed. Printed under the authority of H.M.S.O., 1930.