APA (7th ed.) Citation

Porter, B. R. (1961). Extra-curricular and non-teaching duties of industrial-arts teachers in Wisconsin. [publisher not identified].

Chicago Style (17th ed.) Citation

Porter, Bernard Robert. Extra-curricular and Non-teaching Duties of Industrial-arts Teachers in Wisconsin. [Place of publication not identified]: [publisher not identified], 1961.

MLA (9th ed.) Citation

Porter, Bernard Robert. Extra-curricular and Non-teaching Duties of Industrial-arts Teachers in Wisconsin. [publisher not identified], 1961.