(1973). Scientific American, 1973, Vol.228, No.01-06.
Citación estilo ChicagoScientific American, 1973, Vol.228, No.01-06. Scientific American Inc., New York, 1973.
Cita MLAScientific American, 1973, Vol.228, No.01-06. 1973.
Warning: These citations may not always be 100% accurate.