Smith, H. I. (1903). Shell-heaps of the lower Fraser River, British Columbia.
Cita Chicago Style (17a ed.)Smith, Harlan Ingersoll. Shell-heaps of the Lower Fraser River, British Columbia. [New York], 1903.
Cita MLA (8a ed.)Smith, Harlan Ingersoll. Shell-heaps of the Lower Fraser River, British Columbia. 1903.
Precaución: Estas citas no son 100% exactas.