APA (7th ed.) Citation

Gaur, A. (1994). A history of calligraphy. The British Library.

Chicago Style (17th ed.) Citation

Gaur, Albertine. A History of Calligraphy. London: The British Library, 1994.

MLA (9th ed.) Citation

Gaur, Albertine. A History of Calligraphy. The British Library, 1994.

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