Sprague, R., & Krantz, G. S. (1977). The Scientist looks at the sasquatch. University Press of Idaho.
Cita Chicago Style (17a ed.)Sprague, Roderick, y Grover S. Krantz. The Scientist Looks at the Sasquatch. Moscow: University Press of Idaho, 1977.
Cita MLA (8a ed.)Sprague, Roderick, y Grover S. Krantz. The Scientist Looks at the Sasquatch. University Press of Idaho, 1977.
Precaución: Estas citas no son 100% exactas.