APA (7th ed.) Citation
Pietersen, G. (2019). Pre-empting Maize Lethal Necrosis Disease in South Africa: Potyviruses of maize (Zea mays). University of Pretoria.
Chicago Style (17th ed.) Citation
Pietersen, Gerhard. Pre-empting Maize Lethal Necrosis Disease in South Africa: Potyviruses of Maize (Zea Mays). University of Pretoria, 2019.
MLA (9th ed.) Citation
Pietersen, Gerhard. Pre-empting Maize Lethal Necrosis Disease in South Africa: Potyviruses of Maize (Zea Mays). University of Pretoria, 2019.
Warning: These citations may not always be 100% accurate.