Cita APA (7a ed.)

(1928). Cloud formrs: Acording to the International System of Classification (Second edition.).

Cita Chicago Style (17a ed.)

Cloud Formrs: Acording to the International System of Classification. Second edition. Washington, D.C, 1928.

Cita MLA (8a ed.)

Cloud Formrs: Acording to the International System of Classification. Second edition. 1928.