APA (7th ed.) Citation
Geerthsen, P. J. (2013). Genotype x environment interaction for sunflower hybrids in South Africa. University of Pretoria.
Chicago Style (17th ed.) Citation
Geerthsen, Peter J.M. Genotype X Environment Interaction for Sunflower Hybrids in South Africa. University of Pretoria, 2013.
MLA (9th ed.) Citation
Geerthsen, Peter J.M. Genotype X Environment Interaction for Sunflower Hybrids in South Africa. University of Pretoria, 2013.
Warning: These citations may not always be 100% accurate.