Παραπομπή APA

Meinel, A. B. (1983). Sunsets, twilights and evening skies. Cambridge University Press.

Παραπομπή Chicago Style

Meinel, Aden B. Sunsets, Twilights and Evening Skies. London: Cambridge University Press, 1983.

Παραπομπή MLA

Meinel, Aden B. Sunsets, Twilights and Evening Skies. Cambridge University Press, 1983.