Cita APA (7th ed.)

Ashton, T. (1948). Technique of breeding for drought resistance in crops. Commonwealth bureau of plant breeding and genetics, School of Agriuculture Cambridge.

Cita Chicago (17th ed.)

Ashton, T. Technique of Breeding for Drought Resistance in Crops. England: Commonwealth bureau of plant breeding and genetics, School of Agriuculture Cambridge, 1948.

Cita MLA (9th ed.)

Ashton, T. Technique of Breeding for Drought Resistance in Crops. Commonwealth bureau of plant breeding and genetics, School of Agriuculture Cambridge, 1948.

Atenció: Aquestes cites poden no estar 100% correctes.