APA

Gagern F. E., . (1955). The problem of onanism. Westminster, Md: Newman Press.

Chicago

Gagern Friedrich Ernst, . 1955. The problem of onanism. Westminster, Md: Newman Press.

Harvard

Gagern F. E., . (1955). The problem of onanism. Westminster, Md: Newman Press.

MLA

Gagern Friedrich Ernst, . The problem of onanism. Westminster, Md: Newman Press. 1955.