Cita APA (7a ed.)
Paddock, W. (1973). We don't know how. Iowa State University press.
Cita Chicago Style (17a ed.)
Paddock, William. We Don't Know How. Iowa: Iowa State University press, 1973.
Cita MLA (9a ed.)
Paddock, William. We Don't Know How. Iowa State University press, 1973.
Precaución: Estas citas no son 100% exactas.