Ichthous.

MLA

Dölger, Franz Joseph. Ichthous. Münster in Westf.: Aschendorff, 1922.

APA

Dölger, F. Joseph. (1922). Ichthous. Münster in Westf.: Aschendorff.

Chicago

Dölger, Franz Joseph, Ichthous. Münster in Westf.: Aschendorff, 1922.