Cita APA (7th ed.)

Dykstra, R. R. (1961). Animal sanitation and disease control ([6th ed.].). Interstate.

Cita Chicago (17th ed.)

Dykstra, R. R. Animal Sanitation and Disease Control. [6th ed.]. Danville, Ill: Interstate, 1961.

Cita MLA (9th ed.)

Dykstra, R. R. Animal Sanitation and Disease Control. [6th ed.]. Interstate, 1961.