... A collecting trip to Colombia, South America,
by E. B. Williamson.
APA Citation
Williamson, E. B. (Edward Bruce). (1918). ... A collecting trip to Colombia, South America. Ann Arbor, Mich.: The University.
MLA Citation
Williamson, E. B. (Edward Bruce), 1878-1933. ... A Collecting Trip to Colombia, South America. Ann Arbor, Mich.: The University, 1918.
Warning: These citations may not always be complete (especially for serials).