APA (7th ed.) Citation

Ayres & Smith. (1999). Asthma. Dorling Kindersley.

Chicago Style (17th ed.) Citation

Ayres and Smith. Asthma. London: Dorling Kindersley, 1999.

MLA (8th ed.) Citation

Ayres and Smith. Asthma. Dorling Kindersley, 1999.

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