APA (7th ed.) Citation

Apfel, N. H., & Hynek, J. A. (1979). Architecture of the universe (Rev. ed.). Benjamin/Cummings.

Chicago Style (17th ed.) Citation

Apfel, Necia H., and Joseph Allen Hynek. Architecture of the Universe. Rev. ed. Menlo Park, Calif. (u.a.): Benjamin/Cummings, 1979.

MLA (9th ed.) Citation

Apfel, Necia H., and Joseph Allen Hynek. Architecture of the Universe. Rev. ed. Benjamin/Cummings, 1979.