Martin, A. C., & Barkley, W. D. (2010). Seed identification manual. Scientific Publishers.
Citación estilo ChicagoMartin, Alexander C., and William D. Barkley. Seed Identification Manual. Scientific Publishers, 2010.
Cita MLAMartin, Alexander C., and William D. Barkley. Seed Identification Manual. Scientific Publishers, 2010.
Warning: These citations may not always be 100% accurate.