Cite
ABSTRACTS OF PAPERS PRESENTED AT THE 55TH ANNUAL MEETING OF THE ASSOCIATION OF AMERICAN GEOGRAPHERS, PITTSBURGH, PENNSYLVANIA, MARCH 30--APRIL 2, 1959.
MLA
“Abstracts of Papers Presented at the 55Th Annual Meeting of the Association of American Geographers, Pittsburgh, Pennsylvania, March 30--April 2, 1959.” Annals of the Association of American Geographers, vol. 49, no. 2, June 1959, pp. 168–222. EBSCOhost, https://doi.org/10.1111/j.1467-8306.1959.tb01608.x.
APA
Abstracts of Papers Presented at the 55Th Annual Meeting of the Association of American Geographers, Pittsburgh, Pennsylvania, March 30--April 2, 1959. (1959). Annals of the Association of American Geographers, 49(2), 168–222. https://doi.org/10.1111/j.1467-8306.1959.tb01608.x
Chicago
“Abstracts of Papers Presented at the 55Th Annual Meeting of the Association of American Geographers, Pittsburgh, Pennsylvania, March 30--April 2, 1959.” 1959. Annals of the Association of American Geographers 49 (2): 168–222. doi:10.1111/j.1467-8306.1959.tb01608.x.