APA

clapp l., . (2010). Prostate Health in 90 Days. New York: hay house.

Chicago

clapp larry, . 2010. Prostate Health in 90 Days. New York: hay house.

Harvard

clapp l., . (2010). Prostate Health in 90 Days. New York: hay house.

MLA

clapp larry, . Prostate Health in 90 Days. New York: hay house. 2010.