APA
Giardia in the Rockies Conference (2000: Canmore A., Olson B. E. e., Olson M. E. & Wallis P. M. e. (2002). Giardia. Wallingford: CABI Publishing.
Chicago
Giardia in the Rockies Conference (2000: Canmore Alta), Olson Barbara E ed, Olson Merle Edwin and Wallis P M ed. 2002. Giardia. Wallingford: CABI Publishing.
Harvard
Giardia in the Rockies Conference (2000: Canmore A., Olson B. E. e., Olson M. E. and Wallis P. M. e. (2002). Giardia. Wallingford: CABI Publishing.
MLA
Giardia in the Rockies Conference (2000: Canmore Alta), Olson Barbara E ed, Olson Merle Edwin and Wallis P M ed. Giardia. Wallingford: CABI Publishing. 2002.