Cita APA (7a ed.)
Geuns, H. v. (1956). Asthma and housedust in the high mountains.
Cita Chicago Style (17a ed.)
Geuns, Herman van. Asthma and Housedust in the High Mountains. Zürich, 1956.
Cita MLA (9a ed.)
Geuns, Herman van. Asthma and Housedust in the High Mountains. 1956.
Precaución: Estas citas no son 100% exactas.