APA (7th ed.) Citation

Allen, R. L. (1971). Colour chemistry (1. publ.). Nelson.

Chicago Style (17th ed.) Citation

Allen, Reginald L. Colour Chemistry. 1. publ. London: Nelson, 1971.

MLA (9th ed.) Citation

Allen, Reginald L. Colour Chemistry. 1. publ. Nelson, 1971.

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