APA (7th ed.) Citation

(1999). Allergy and asthma. Macmillan.

Chicago Style (17th ed.) Citation

Allergy and Asthma. London [u.a.]: Macmillan, 1999.

MLA (9th ed.) Citation

Allergy and Asthma. Macmillan, 1999.

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