Cita APA (7th ed.)

Butcher, H. J., & Rudd, E. (1972). Contemporary problems in higher education; an account of research. McGraw-Hill.

Cita Chicago (17th ed.)

Butcher, Harold John, i Ernest Rudd. Contemporary Problems in Higher Education; an Account of Research. London: McGraw-Hill, 1972.

Cita MLA (9th ed.)

Butcher, Harold John, i Ernest Rudd. Contemporary Problems in Higher Education; an Account of Research. McGraw-Hill, 1972.