APA (7th ed.) Citation
Spath, L. F. (1952). Additional observations on the invertebrates chiefly ammonites of the jurassic and cretaceous of East Greenland. 2.
Chicago Style (17th ed.) Citation
Spath, Leonard Frank. Additional Observations on the Invertebrates Chiefly Ammonites of the Jurassic and Cretaceous of East Greenland. 2. København, 1952.
MLA (9th ed.) Citation
Spath, Leonard Frank. Additional Observations on the Invertebrates Chiefly Ammonites of the Jurassic and Cretaceous of East Greenland. 2. 1952.
Warning: These citations may not always be 100% accurate.