APA (7th ed.) Citation

Langer, R. H. M., & Hill, G. D. (1982). Agricultural plants. Cambridge Univ. Press.

Chicago Style (17th ed.) Citation

Langer, Reinhart H. M., and G. D. Hill. Agricultural Plants. Cambridge [u.a.]: Cambridge Univ. Press, 1982.

MLA (9th ed.) Citation

Langer, Reinhart H. M., and G. D. Hill. Agricultural Plants. Cambridge Univ. Press, 1982.

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