APA (7th ed.) Citation

MacGowan, R. A., & Ordway, F. I. (1966). Intelligence in the universe / by R.A. MacGowan and F.I. Ordway. Prentice-hall.

Chicago Style (17th ed.) Citation

MacGowan, R. A., and F. I. Ordway. Intelligence in the Universe / by R.A. MacGowan and F.I. Ordway. Prentice-hall, 1966.

MLA (9th ed.) Citation

MacGowan, R. A., and F. I. Ordway. Intelligence in the Universe / by R.A. MacGowan and F.I. Ordway. Prentice-hall, 1966.

Warning: These citations may not always be 100% accurate.