APA (7th ed.) Citation

UlfPipkorn, N. . M., & Dahl, R. (1990). Rhinitis and Asthma: Similarities and differences. Munksgaard.

Chicago Style (17th ed.) Citation

UlfPipkorn, Niels Mygind, and Ronald Dahl. Rhinitis and Asthma: Similarities and Differences. Copenhagen: Munksgaard, 1990.

MLA (9th ed.) Citation

UlfPipkorn, Niels Mygind, and Ronald Dahl. Rhinitis and Asthma: Similarities and Differences. Munksgaard, 1990.

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