APA (7th ed.) Citation

Kerr, J. G. (1931). Notes upon the Dana specimen of Spirula and upon certain problems of cephalopod morphology. Gyldendalske Boghandel.

Chicago Style (17th ed.) Citation

Kerr, J. Graham. Notes upon the Dana Specimen of Spirula and upon Certain Problems of Cephalopod Morphology. Copehagen: Gyldendalske Boghandel, 1931.

MLA (9th ed.) Citation

Kerr, J. Graham. Notes upon the Dana Specimen of Spirula and upon Certain Problems of Cephalopod Morphology. Gyldendalske Boghandel, 1931.

Warning: These citations may not always be 100% accurate.