Cita APA (7a ed.)

Scientific American. (1977). Cosmology + 1 (1a ed.). Freeman And Company.

Cita Chicago Style (17a ed.)

Scientific American. Cosmology + 1. 1a ed. San Francisco: Freeman And Company, 1977.

Cita MLA (9a ed.)

Scientific American. Cosmology + 1. 1a ed. Freeman And Company, 1977.