APA (7th ed.) Citation

Prelōrentzos, I. (1950). Ouranies optasies. [Publisher not identified].

Chicago Style (17th ed.) Citation

Prelōrentzos, I. Ouranies Optasies. Athēna: [Publisher not identified], 1950.

MLA (8th ed.) Citation

Prelōrentzos, I. Ouranies Optasies. [Publisher not identified], 1950.