Robertson, W. A., Ross, F. A., & Ackland, T. G. (1920). Actuarial theory: Notes for students on the subject-matter required in the examinations of the Institute of Actuaries and the Faculty of Actuaries in Scotland, with numerous practical examples and exercises (2nd ed.). Oliver & Boyd.
Chicago Style (17th ed.) CitationRobertson, William Alexander, Frederick Alexander Ross, and Thomas Gans Ackland. Actuarial Theory: Notes for Students on the Subject-matter Required in the Examinations of the Institute of Actuaries and the Faculty of Actuaries in Scotland, with Numerous Practical Examples and Exercises. 2nd ed. Edinburgh [etc.]: Oliver & Boyd, 1920.
MLA (9th ed.) CitationRobertson, William Alexander, et al. Actuarial Theory: Notes for Students on the Subject-matter Required in the Examinations of the Institute of Actuaries and the Faculty of Actuaries in Scotland, with Numerous Practical Examples and Exercises. 2nd ed. Oliver & Boyd, 1920.