APA Citation

Crawford, J. C., Cora, J., & Johnson, N. (1916). Some new American Hymenoptera.

Chicago Style Citation

Crawford, J. C., Joe Cora, and Norm Johnson. Some New American Hymenoptera. 1916.

MLA Citation

Crawford, J. C., Joe Cora, and Norm Johnson. Some New American Hymenoptera. 1916.

Warning: These citations may not always be 100% accurate.