Citazione APA

Levitt, I. M., & Cole, D. M. (1963). Exploring the secrets of space: Astronautics for the layman. Prentice-Hall.

Stile di citazione Chicago

Levitt, I. M., e Dandridge M. Cole. Exploring the Secrets of Space: Astronautics for the Layman. Englewood Cliffs, N.J.: Prentice-Hall, 1963.

Citazione MLA

Levitt, I. M., e Dandridge M. Cole. Exploring the Secrets of Space: Astronautics for the Layman. Prentice-Hall, 1963.