APA Edition Citation

Barkley, W. D., & Martin, A. C. (1961). Seed identification manual. Oxford & IBH publishing company.

Chicago Edition Citation

Barkley, William D., and Alexander C. Martin. Seed Identification Manual. Calcutta: Oxford & IBH publishing company, 1961.

MLA Edition Citation

Barkley, William D., and Alexander C. Martin. Seed Identification Manual. Oxford & IBH publishing company, 1961.