Cita APA

OMary, C., & Dyer, I. (1972). Commercial beef cattle production. Washington (EUA): Lea Febiger.

Citación estilo Chicago

OMary, C., y I.A Dyer. Commercial Beef Cattle Production. Washington (EUA): Lea Febiger, 1972.

Cita MLA

OMary, C., y I.A Dyer. Commercial Beef Cattle Production. Washington (EUA): Lea Febiger, 1972.