MLA

Robert A. Adler, and Robert A Adler. Osteoporosis. Humana Press, 2010.

APA

Robert A. Adler, R. A. Adler, & Adler, R. A. (2010). Osteoporosis. Humana Press.

Chicago

Robert A. Adler, and Robert A Adler. Osteoporosis. : Humana Press, 2010.