APA (7th ed.) Citation

Munsell, A. H. (2008). A Color Notation A measured color system, based on the three qualities Hue, Value and Chroma. Project Gutenberg.

Chicago Style (17th ed.) Citation

Munsell, A. H. A Color Notation A Measured Color System, Based on the Three Qualities Hue, Value and Chroma. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Munsell, A. H. A Color Notation A Measured Color System, Based on the Three Qualities Hue, Value and Chroma. Project Gutenberg, 2008.

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