APA aipamena

Smit, L. A. M., Zuurbier, M., Doekes, G., Wouters, I. M., Heederik, D., & Douwes, J. (2007). Hay fever and asthma symptoms in conventional and organic farmers in The Netherlands. BMJ Group.

Chicago Style aipamena

Smit, Lidwien A M., Moniek Zuurbier, Gert Doekes, Inge M. Wouters, Dick Heederik, and Jeroen Douwes. Hay Fever and Asthma Symptoms in Conventional and Organic Farmers in The Netherlands. BMJ Group, 2007.

MLA aipamena

Smit, Lidwien A M., et al. Hay Fever and Asthma Symptoms in Conventional and Organic Farmers in The Netherlands. BMJ Group, 2007.