Cita APA

Shepherd, G. S. n. 1., & Shepherd, G. S. n. 1. (1962). Marketing farm products: Economic analysis (4. edition.). Ames, Iowa: State University Press.

Citación estilo Chicago

Shepherd, Geoffrey Seddon n. 1898, y Geoffrey Seddon n. 1898 Shepherd. Marketing Farm Products: Economic Analysis. 4. edition. Ames, Iowa: State University Press, 1962.

Cita MLA

Shepherd, Geoffrey Seddon n. 1898, y Geoffrey Seddon n. 1898 Shepherd. Marketing Farm Products: Economic Analysis. 4. edition. Ames, Iowa: State University Press, 1962.