APA (7th ed.) Citation

West, W., & West, G. S. (1897). Welwitsch's African freshwater algae. [Robert Hardwicke FLS].

Chicago Style (17th ed.) Citation

West, William, and George Stephen West. Welwitsch's African Freshwater Algae. [London]: [Robert Hardwicke FLS], 1897.

MLA (9th ed.) Citation

West, William, and George Stephen West. Welwitsch's African Freshwater Algae. [Robert Hardwicke FLS], 1897.