APA Style

Barrett,David M,m.D. (2000). Mayo clinic On Prostate health (NULL). NULL: MAYO.

Chicago Style

Barrett,David M,m.D. Mayo clinic On Prostate health. NULL NULL: MAYO, 2000. Text.

MLA Style

Barrett,David M,m.D. Mayo clinic On Prostate health. NULL NULL: MAYO, 2000. Text.

Turabian Style

Barrett,David M,m.D. Mayo clinic On Prostate health. NULL NULL: MAYO, 2000. Print.