APA (7th ed.) Citation

Maddox, R. A. (1973). A study of tornado proximity data and an observationally derived model of tornado genesis. [publisher not identified].

Chicago Style (17th ed.) Citation

Maddox, Robert A. A Study of Tornado Proximity Data and an Observationally Derived Model of Tornado Genesis. [Place of publication not identified]: [publisher not identified], 1973.

MLA (9th ed.) Citation

Maddox, Robert A. A Study of Tornado Proximity Data and an Observationally Derived Model of Tornado Genesis. [publisher not identified], 1973.