APA (7th ed.) Citation

Hubbard, C. E., & Vaughan, R. E. (1940). The grasses of Mauritius and Rodriguez. [Waterlow].

Chicago Style (17th ed.) Citation

Hubbard, C. E., and R. E. Vaughan. The Grasses of Mauritius and Rodriguez. London: [Waterlow], 1940.

MLA (9th ed.) Citation

Hubbard, C. E., and R. E. Vaughan. The Grasses of Mauritius and Rodriguez. [Waterlow], 1940.