APA (7th ed.) Citation

Nitecki, M. H., & Johnson, M. E. (1978). Internal structures of Cyclocrinites dactioloides: A receptaculitid alga from the Lower Silurian of Iowa. Field Museum of Natural History.

Chicago Style (17th ed.) Citation

Nitecki, Matthew H., and Markes E. Johnson. Internal Structures of Cyclocrinites Dactioloides: A Receptaculitid Alga from the Lower Silurian of Iowa. [Chicago]: Field Museum of Natural History, 1978.

MLA (9th ed.) Citation

Nitecki, Matthew H., and Markes E. Johnson. Internal Structures of Cyclocrinites Dactioloides: A Receptaculitid Alga from the Lower Silurian of Iowa. Field Museum of Natural History, 1978.