APA (7th ed.) Citation

Fujita, T. T., Bradbury, D. L., & Black, P. G. (1967). Estimation of toronado wind speed from characteristic ground marks. [publisher not identified].

Chicago Style (17th ed.) Citation

Fujita, Tetsuya Theodore, Dorothy L. Bradbury, and Peter G. Black. Estimation of Toronado Wind Speed from Characteristic Ground Marks. [Chicago]: [publisher not identified], 1967.

MLA (9th ed.) Citation

Fujita, Tetsuya Theodore, et al. Estimation of Toronado Wind Speed from Characteristic Ground Marks. [publisher not identified], 1967.