APA
O.F. Nygard, . (1974). Radiation Research. New York: Academic press.
Chicago
O.F. Nygard, . 1974. Radiation Research. New York: Academic press.
Harvard
O.F. Nygard, . (1974). Radiation Research. New York: Academic press.
MLA
O.F. Nygard, . Radiation Research. New York: Academic press. 1974.