APA Citation

Leppan, H. D., & Bosman, G. J. (1923). Field crops in South Africa. Johannesburg: South Africa Central News Agency, Ltd..

Chicago Style Citation

Leppan, H. D., and G. J. Bosman. Field Crops in South Africa. Johannesburg: South Africa Central News Agency, Ltd., 1923.

MLA Citation

Leppan, H. D., and G. J. Bosman. Field Crops in South Africa. Johannesburg: South Africa Central News Agency, Ltd., 1923.

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