Παραπομπή APA

Kopal, Z., & Carder, R. W. (1974). Mapping of the moon: Past and present. D Reidel.

Παραπομπή Chicago Style

Kopal, Zdnek, και Robert W. Carder. Mapping of the Moon: Past and Present. Dordrect: D Reidel, 1974.

Παραπομπή MLA

Kopal, Zdnek, και Robert W. Carder. Mapping of the Moon: Past and Present. D Reidel, 1974.