APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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