APA (7th ed.) Citation

Toft & Smith. (1999). Thyroid disorders. Dorling Kindersley.

Chicago Style (17th ed.) Citation

Toft and Smith. Thyroid Disorders. London: Dorling Kindersley, 1999.

MLA (8th ed.) Citation

Toft and Smith. Thyroid Disorders. Dorling Kindersley, 1999.

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