APA

Klemmer K., .Classification and distribution of european, north african, and north and west asiatic venomous snakes. : .

Chicago

Klemmer Konrad, .Classification and distribution of european, north african, and north and west asiatic venomous snakes. : .

Harvard

Klemmer K., .Classification and distribution of european, north african, and north and west asiatic venomous snakes. : .

MLA

Klemmer Konrad, .: . .