APA
(1987). The Journal of Preventation Diagnosis and Treatment. London: Pararood International Photomicrography competition.
Chicago
1987. The Journal of Preventation Diagnosis and Treatment. London: Pararood International Photomicrography competition.
Harvard
(1987). The Journal of Preventation Diagnosis and Treatment. London: Pararood International Photomicrography competition.
MLA
The Journal of Preventation Diagnosis and Treatment. London: Pararood International Photomicrography competition. 1987.