Παραπομπή APA

Hooper, J. E., & Scharff, M. (1958). The cosmic radiation. Methuen.

Παραπομπή Chicago Style

Hooper, J. E., και M. Scharff. The Cosmic Radiation. London: Methuen, 1958.

Παραπομπή MLA

Hooper, J. E., και M. Scharff. The Cosmic Radiation. Methuen, 1958.