APA

Smith R. L., . (1969). At your own risk: the case against chiropractic. New York: Trident Press.

Chicago

Smith Ralph Lee, . 1969. At your own risk: the case against chiropractic. New York: Trident Press.

Harvard

Smith R. L., . (1969). At your own risk: the case against chiropractic. New York: Trident Press.

MLA

Smith Ralph Lee, . At your own risk: the case against chiropractic. New York: Trident Press. 1969.