APA (7th ed.) Citation

Groot, B. d. (1961). Libido and semen characteristics of bull twins with special regard to genotypic and environmental variability. G. van Dijk.

Chicago Style (17th ed.) Citation

Groot, Bram de. Libido and Semen Characteristics of Bull Twins with Special Regard to Genotypic and Environmental Variability. Breukelen: G. van Dijk, 1961.

MLA (8th ed.) Citation

Groot, Bram de. Libido and Semen Characteristics of Bull Twins with Special Regard to Genotypic and Environmental Variability. G. van Dijk, 1961.