APA (7th ed.) Citation

National Weeds Conference of South Africa (3rd: 1979 : Pretoria) )., Cairns, & Neser. (1980). Proceedings of the third National Weeds Conference of South Africa. Balkema.

Chicago Style (17th ed.) Citation

National Weeds Conference of South Africa (3rd: 1979 : Pretoria) )., Cairns, and Neser. Proceedings of the Third National Weeds Conference of South Africa. Cape Town: Balkema, 1980.

MLA (9th ed.) Citation

National Weeds Conference of South Africa (3rd: 1979 : Pretoria) )., et al. Proceedings of the Third National Weeds Conference of South Africa. Balkema, 1980.