APA (7th ed.) Citation

Armstrong, S. F. (1937). British grasses and their employment in agriculture. University press.

Chicago Style (17th ed.) Citation

Armstrong, Sydney Frederick. British Grasses and Their Employment in Agriculture. Cambridge [England]: University press, 1937.

MLA (9th ed.) Citation

Armstrong, Sydney Frederick. British Grasses and Their Employment in Agriculture. University press, 1937.