APA (7th ed.) Citation

Guillard, R. R. L., & Ryther, J. H. Studies of marine planktonic diatoms. The National Research Council.

Chicago Style (17th ed.) Citation

Guillard, Robert R. L., and John H. Ryther. Studies of Marine Planktonic Diatoms. Ottawa: The National Research Council.

MLA (9th ed.) Citation

Guillard, Robert R. L., and John H. Ryther. Studies of Marine Planktonic Diatoms. The National Research Council.

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