APA
Peter Greenwald, . (1986). Journal of the National Cancer Institute. U.S.A: National Institutes of Health.
Chicago
Peter Greenwald, . 1986. Journal of the National Cancer Institute. U.S.A: National Institutes of Health.
Harvard
Peter Greenwald, . (1986). Journal of the National Cancer Institute. U.S.A: National Institutes of Health.
MLA
Peter Greenwald, . Journal of the National Cancer Institute. U.S.A: National Institutes of Health. 1986.