APA

Bendix-Almgreen S. E., . (1966). New investigations on Helicoprion from the phosphoria formation of South-East Idaho, U.S.A. København: Munksgaard.

Chicago

Bendix-Almgreen Svend Erik, . 1966. New investigations on Helicoprion from the phosphoria formation of South-East Idaho, U.S.A. København: Munksgaard.

Harvard

Bendix-Almgreen S. E., . (1966). New investigations on Helicoprion from the phosphoria formation of South-East Idaho, U.S.A. København: Munksgaard.

MLA

Bendix-Almgreen Svend Erik, . New investigations on Helicoprion from the phosphoria formation of South-East Idaho, U.S.A. København: Munksgaard. 1966.