Cita APA (7th ed.)

World Meteorological Organization. (1969). Guide to meteorological instrument and observing practices (3d ed.). Secretariat of the World Meterological Organizaton.

Cita Chicago (17th ed.)

World Meteorological Organization. Guide to Meteorological Instrument and Observing Practices. 3d ed. Geneva: Secretariat of the World Meterological Organizaton, 1969.

Cita MLA (8th ed.)

World Meteorological Organization. Guide to Meteorological Instrument and Observing Practices. 3d ed. Secretariat of the World Meterological Organizaton, 1969.