APA (7th ed.) Citation

Girdwood, J., Girdwood, J., Girdwood, J., Ballington, H., Stopford, C., Lewis, R., & Hesse, E. Calibration of optical particle spectrometers using mounted fibres. Copernicus Publications.

Chicago Style (17th ed.) Citation

Girdwood, J., J. Girdwood, J. Girdwood, H. Ballington, C. Stopford, R. Lewis, and E. Hesse. Calibration of Optical Particle Spectrometers Using Mounted Fibres. Copernicus Publications.

MLA (9th ed.) Citation

Girdwood, J., et al. Calibration of Optical Particle Spectrometers Using Mounted Fibres. Copernicus Publications.