APA
INSTITUTE OF ACTUARIES YEAR, INSTITUTE OF ACTUARIES YEAR, . (1950). Book 1950-1951. Cambridge: Cambridge university press.
Chicago
INSTITUTE OF ACTUARIES YEAR, INSTITUTE OF ACTUARIES YEAR, . 1950. Book 1950-1951. Cambridge: Cambridge university press.
Harvard
INSTITUTE OF ACTUARIES YEAR, INSTITUTE OF ACTUARIES YEAR, . (1950). Book 1950-1951. Cambridge: Cambridge university press.
MLA
INSTITUTE OF ACTUARIES YEAR, INSTITUTE OF ACTUARIES YEAR, . Book 1950-1951. Cambridge: Cambridge university press. 1950.
