Wells, A. K., & Kirkaldy, J. F. (1967). Outline of historical geology (6th revised ed. (7th impression).). Murby.
Chicago Style (17th ed.) CitationWells, A. K., and J. F. Kirkaldy. Outline of Historical Geology. 6th revised ed. (7th impression). London: Murby, 1967.
MLA (9th ed.) CitationWells, A. K., and J. F. Kirkaldy. Outline of Historical Geology. 6th revised ed. (7th impression). Murby, 1967.
Warning: These citations may not always be 100% accurate.