Multi-volume work

Lee, J.J., Leedale, G.F. & Bradbury, P. 2000. An Illustrated Guide to the Protozoa, Second Edition. Society of Protozoologists, Lawrence, Kansas, U.S.A..

Volumes

1. Lee, J.J., Leedale, G.F. & Bradbury, P., 2000. Volume I.
2. Lee, J.J., Leedale, G.F. & Bradbury, P., 2000. Volume II.

Original Classification (root)

([unranked]) organisms