Style de citation APA (7e éd.)

Williams, G. (1966). A study of a seminal defect in Hereford bulls and also of the effect on fertility of the movement of cattle to a new environment. University of London.

Style de citation Chicago (17e éd.)

Williams, Gareth. A Study of a Seminal Defect in Hereford Bulls and Also of the Effect on Fertility of the Movement of Cattle to a New Environment. University of London, 1966.

Style de citation MLA (8e éd.)

Williams, Gareth. A Study of a Seminal Defect in Hereford Bulls and Also of the Effect on Fertility of the Movement of Cattle to a New Environment. University of London, 1966.