APA
Duff K. E., Smol J. P., Wilkinson A. N. & Zeeb B. A. (19952001). Atlas of chrysophycean cysts. Boston: Kluwer Academic Publishers.
Chicago
Duff Katharine E, Smol J P, Wilkinson Anna N and Zeeb Barbara A. 19952001. Atlas of chrysophycean cysts. Boston: Kluwer Academic Publishers.
Harvard
Duff K. E., Smol J. P., Wilkinson A. N. and Zeeb B. A. (19952001). Atlas of chrysophycean cysts. Boston: Kluwer Academic Publishers.
MLA
Duff Katharine E, Smol J P, Wilkinson Anna N and Zeeb Barbara A. Atlas of chrysophycean cysts. Boston: Kluwer Academic Publishers. 19952001.