APA (7th ed.) Citation

Grumman, R. M. (1947). University extension in action. s.n.

Chicago Style (17th ed.) Citation

Grumman, Russell Marvin. University Extension in Action. Chapel Hill: s.n, 1947.

MLA (9th ed.) Citation

Grumman, Russell Marvin. University Extension in Action. s.n, 1947.