APA (7th ed.) Citation

Crowe, J., & Title. (2019). Gemstones: Identifying and using the world's most fabulous gems. Bloomsbury Visual Arts.

Chicago Style (17th ed.) Citation

Crowe, Judith, and Title. Gemstones: Identifying and Using the World's Most Fabulous Gems. London: Bloomsbury Visual Arts, 2019.

MLA (9th ed.) Citation

Crowe, Judith, and Title. Gemstones: Identifying and Using the World's Most Fabulous Gems. Bloomsbury Visual Arts, 2019.