APA (7th ed.) Citation

Bews, J. W. (1929). The world's Grasses: Their differentiation , distribution, economics and ecology. Longmans, Green.

Chicago Style (17th ed.) Citation

Bews, John W. The World's Grasses: Their Differentiation , Distribution, Economics and Ecology. London [u.a.]: Longmans, Green, 1929.

MLA (9th ed.) Citation

Bews, John W. The World's Grasses: Their Differentiation , Distribution, Economics and Ecology. Longmans, Green, 1929.