Cita APA

Calnek, B. W., John Barnes, C. W., Beard, C. W., Reid, W. M., & Yoder, H. W. (1991). Diseases of poultry (9a ed.). Iowa: Iowa State University Press.

Citación estilo Chicago

Calnek, B. W., C. W. John Barnes, C. W. Beard, W. M. Reid, and H. W. Yoder. Diseases of Poultry. 9a ed. Iowa: Iowa State University Press, 1991.

Cita MLA

Calnek, B. W., et al. Diseases of Poultry. 9a ed. Iowa: Iowa State University Press, 1991.