APA (7th ed.) Citation

Helmers, F. L. C. H. (1979). Project planning and income distribution. Martinus Nijhoff.

Chicago Style (17th ed.) Citation

Helmers, F Leslie C H. Project Planning and Income Distribution. Boston: Martinus Nijhoff, 1979.

MLA (8th ed.) Citation

Helmers, F Leslie C H. Project Planning and Income Distribution. Martinus Nijhoff, 1979.