APA
Loughran J. X., . (1958). 90 days to a better heart. New York: Devin-Adair Co.
Chicago
Loughran John X, . 1958. 90 days to a better heart. New York: Devin-Adair Co.
Harvard
Loughran J. X., . (1958). 90 days to a better heart. New York: Devin-Adair Co.
MLA
Loughran John X, . 90 days to a better heart. New York: Devin-Adair Co. 1958.