APA

Schmidt G. H., Merrill W. G. & Guthrie R. S. (1964). Relationship of milking times, procedures, and installations to level of milk productions and incidence of mastitis. Ithaca: .

Chicago

Schmidt G H, Merrill W G and Guthrie R S. 1964. Relationship of milking times, procedures, and installations to level of milk productions and incidence of mastitis. Ithaca: .

Harvard

Schmidt G. H., Merrill W. G. and Guthrie R. S. (1964). Relationship of milking times, procedures, and installations to level of milk productions and incidence of mastitis. Ithaca: .

MLA

Schmidt G H, Merrill W G and Guthrie R S. Relationship of milking times, procedures, and installations to level of milk productions and incidence of mastitis. Ithaca: . 1964.