APA (7th ed.) Citation

Primdahl, F. (1967). Automatic stepwise suppression of the zero of a Pen Ink Recorder. Det Danske Meteorologiske Institut.

Chicago Style (17th ed.) Citation

Primdahl, F. Automatic Stepwise Suppression of the Zero of a Pen Ink Recorder. Charlottenlund: Det Danske Meteorologiske Institut, 1967.

MLA (9th ed.) Citation

Primdahl, F. Automatic Stepwise Suppression of the Zero of a Pen Ink Recorder. Det Danske Meteorologiske Institut, 1967.

Warning: These citations may not always be 100% accurate.