APA (7th ed.) Citation

Carstens, E., Roux, H. l., Holtzhausen, M., Rooyen, L. v., Coetzee, J., Wentzel, R., . . . Hattingh, V. Citrus black spot is absent in the Western Cape, Northern Cape and Free State Provinces. Academy of Science of South Africa.

Chicago Style (17th ed.) Citation

Carstens, Elma, et al. Citrus Black Spot Is Absent in the Western Cape, Northern Cape and Free State Provinces. Academy of Science of South Africa.

MLA (9th ed.) Citation

Carstens, Elma, et al. Citrus Black Spot Is Absent in the Western Cape, Northern Cape and Free State Provinces. Academy of Science of South Africa.

Warning: These citations may not always be 100% accurate.