APA (7th ed.) Citation

Blake, S. F. (1942). State Floras of the United States. [Ronald Press].

Chicago Style (17th ed.) Citation

Blake, Sidney F. State Floras of the United States. [New York, NY]: [Ronald Press], 1942.

MLA (9th ed.) Citation

Blake, Sidney F. State Floras of the United States. [Ronald Press], 1942.

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