APA (7th ed.) Citation

Wilson, D. H. (1990). The encyclopedia of calligraphy techniques. Headline.

Chicago Style (17th ed.) Citation

Wilson, Diana Hardy. The Encyclopedia of Calligraphy Techniques. London: Headline, 1990.

MLA (9th ed.) Citation

Wilson, Diana Hardy. The Encyclopedia of Calligraphy Techniques. Headline, 1990.

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