Παραπομπή APA

Cottrell, A., & Lovell, B. (1976). Science and the Universe. Mitchellbeazley.

Παραπομπή Chicago Style

Cottrell, Alan, και Bernard Lovell. Science and the Universe. London: Mitchellbeazley, 1976.

Παραπομπή MLA

Cottrell, Alan, και Bernard Lovell. Science and the Universe. Mitchellbeazley, 1976.