APA (7th ed.) Citation

Newberry J. S. John Strong & Hollick A. Arthur. (1898). The Later extinct floras of North America. Washington, Governmext Printing Office, 1898.

Chicago Style (17th ed.) Citation

Newberry J. S. John Strong and Hollick A. Arthur. The Later Extinct Floras of North America. Washington, Governmext Printing Office, 1898, 1898.

MLA (9th ed.) Citation

Newberry J. S. John Strong and Hollick A. Arthur. The Later Extinct Floras of North America. Washington, Governmext Printing Office, 1898, 1898.