APA (7th ed.) Citation

Sigsgaard, T., & Heederik, D. (2010). Occupational Asthma. BirkhΓuser Basel.

Chicago Style (17th ed.) Citation

Sigsgaard, Torben, and Dick Heederik. Occupational Asthma. Basel: BirkhΓuser Basel, 2010.

MLA (8th ed.) Citation

Sigsgaard, Torben, and Dick Heederik. Occupational Asthma. BirkhΓuser Basel, 2010.

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