APA

Richert G., Mindak C. & Hoth B. (1978). Your Baba from the Umpfuli. : .

Chicago

Richert Gregor, Mindak Cordula and Hoth Brigitta. 1978. Your Baba from the Umpfuli. : .

Harvard

Richert G., Mindak C. and Hoth B. (1978). Your Baba from the Umpfuli. : .

MLA

Richert Gregor, Mindak Cordula and Hoth Brigitta. Your Baba from the Umpfuli. : . 1978.