APA (7th ed.) Citation

Stumm, E. C. (1968). A redescription of the Middle Silurian compound rugose coral Grabauphyllum johnstoni Foerste. Museum of Paleontology, University of Michigan.

Chicago Style (17th ed.) Citation

Stumm, Erwin Charles. A Redescription of the Middle Silurian Compound Rugose Coral Grabauphyllum Johnstoni Foerste. Ann Arbor: Museum of Paleontology, University of Michigan, 1968.

MLA (9th ed.) Citation

Stumm, Erwin Charles. A Redescription of the Middle Silurian Compound Rugose Coral Grabauphyllum Johnstoni Foerste. Museum of Paleontology, University of Michigan, 1968.