The taxonomy and speciation of Pseudophonus,
a subgenus of Harpalus: Harpalini: Carabidae, known to occur in North America
[by] George E. Ball and Joseph N. Anderson.

APA Citation

Ball, G. E., Anderson, J. N. (Joseph Newton). (1962). The taxonomy and speciation of Pseudophonus: a subgenus of Harpalus: Harpalini: Carabidae, known to occur in North America. Washington: Catholic University of America Press.

MLA Citation

Ball, George E, and Joseph N. (Joseph Newton) Anderson. The Taxonomy And Speciation of Pseudophonus: a Subgenus of Harpalus: Harpalini: Carabidae, Known to Occur In North America. Washington: Catholic University of America Press, 1962.

Warning: These citations may not always be complete (especially for serials).