APA (7th ed.) Citation

Tubbs, F. B. (1963). Some characteristics of highly effective and less effective secondary-school science teachers. [publisher not identified].

Chicago Style (17th ed.) Citation

Tubbs, Frederick Barnes. Some Characteristics of Highly Effective and Less Effective Secondary-school Science Teachers. [Place of publication not identified]: [publisher not identified], 1963.

MLA (9th ed.) Citation

Tubbs, Frederick Barnes. Some Characteristics of Highly Effective and Less Effective Secondary-school Science Teachers. [publisher not identified], 1963.