APA (7th ed.) Citation

Leffel, R. L. (1988). The extent, perceived causes, and manifestations of stress among classroom teachers in various sized districts. [publisher not identified].

Chicago Style (17th ed.) Citation

Leffel, Rutha Lew. The Extent, Perceived Causes, and Manifestations of Stress Among Classroom Teachers in Various Sized Districts. [Place of publication not identified]: [publisher not identified], 1988.

MLA (9th ed.) Citation

Leffel, Rutha Lew. The Extent, Perceived Causes, and Manifestations of Stress Among Classroom Teachers in Various Sized Districts. [publisher not identified], 1988.

Warning: These citations may not always be 100% accurate.