APA (7th ed.) Citation

Coon, N., & Giffen, G. (1977). The complete book of violets. A. S. Barnes.

Chicago Style (17th ed.) Citation

Coon, Nelson, and Georgianne Giffen. The Complete Book of Violets. South Brunswick [N.J.]: A. S. Barnes, 1977.

MLA (9th ed.) Citation

Coon, Nelson, and Georgianne Giffen. The Complete Book of Violets. A. S. Barnes, 1977.