APA (7th ed.) Citation

Duerden, J. E., & Bosman, V. (1929). The standardisation of wools: A double system : crimps and fibre thickness. [The Government Printer].

Chicago Style (17th ed.) Citation

Duerden, J. E., and V. Bosman. The Standardisation of Wools: A Double System : Crimps and Fibre Thickness. [Pretoria]: [The Government Printer], 1929.

MLA (9th ed.) Citation

Duerden, J. E., and V. Bosman. The Standardisation of Wools: A Double System : Crimps and Fibre Thickness. [The Government Printer], 1929.