Ricker, W. E. (1935). Stoneflies of Outhwestern British Columbia. Indiana University.
Cita Chicago Style (17a ed.)Ricker, William E. Stoneflies of Outhwestern British Columbia. Indiana: Indiana University, 1935.
Cita MLA (8a ed.)Ricker, William E. Stoneflies of Outhwestern British Columbia. Indiana University, 1935.
Precaución: Estas citas no son 100% exactas.