APA (7th ed.) Citation

Molina, A. J., & Zuniga, O. (1933). Clouds. s.n.

Chicago Style (17th ed.) Citation

Molina, Antonio J., and Oro Zuniga. Clouds. [S.l: s.n, 1933.

MLA (9th ed.) Citation

Molina, Antonio J., and Oro Zuniga. Clouds. s.n, 1933.