Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (8e éd.)

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