APA
Schneider G., Nienhaus K., Gromoll J., Heuft G., Nieschlag E. & Zitzmann M. (20110614). Depressive symptoms in men aged 50 years and older and their relationship to genetic androgen receptor polymorphism and sex hormone levels in three different samples. : The American journal of geriatric psychiatry : official journal of the American Association for Geriatric Psychiatry.
Chicago
Schneider Gudrun, Nienhaus Kathrin, Gromoll Jörg, Heuft Gereon, Nieschlag Eberhard and Zitzmann Michael. 20110614. Depressive symptoms in men aged 50 years and older and their relationship to genetic androgen receptor polymorphism and sex hormone levels in three different samples. : The American journal of geriatric psychiatry : official journal of the American Association for Geriatric Psychiatry.
Harvard
Schneider G., Nienhaus K., Gromoll J., Heuft G., Nieschlag E. and Zitzmann M. (20110614). Depressive symptoms in men aged 50 years and older and their relationship to genetic androgen receptor polymorphism and sex hormone levels in three different samples. : The American journal of geriatric psychiatry : official journal of the American Association for Geriatric Psychiatry.
MLA
Schneider Gudrun, Nienhaus Kathrin, Gromoll Jörg, Heuft Gereon, Nieschlag Eberhard and Zitzmann Michael. Depressive symptoms in men aged 50 years and older and their relationship to genetic androgen receptor polymorphism and sex hormone levels in three different samples. : The American journal of geriatric psychiatry : official journal of the American Association for Geriatric Psychiatry. 20110614.