APA (7th ed.) Citation

Dillon, V. S. (1955). Assay practice on the Witwatersrand. [publisher not identified].

Chicago Style (17th ed.) Citation

Dillon, V. S. Assay Practice on the Witwatersrand. [Johannesburg?]: [publisher not identified], 1955.

MLA (9th ed.) Citation

Dillon, V. S. Assay Practice on the Witwatersrand. [publisher not identified], 1955.

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