Franklin

MLA

Jensen, Ad. S. On Subspecies and Races of the Lesser Sand Eel (ammodytes Lancea S. Lat.) : a Contribution to the Discussion of the Species Problem In Fishes. København: E. Munksgaard, 1941.

APA

Jensen, A. S. (1941). On subspecies and races of the lesser sand eel (Ammodytes lancea s. lat.) : a contribution to the discussion of the species problem in fishes. København: E. Munksgaard.

Chicago

Jensen, Ad. S. On Subspecies and Races of the Lesser Sand Eel (ammodytes Lancea S. Lat.): A Contribution to the Discussion of the Species Problem In Fishes. København: E. Munksgaard, 1941.