APA (7th ed.) Citation

Lorwin, L. L. (1945). Time for planning: A social-economic theory and program for the twentieth century. Harper.

Chicago Style (17th ed.) Citation

Lorwin, Lewis Levitzki. Time for Planning: A Social-economic Theory and Program for the Twentieth Century. New York: Harper, 1945.

MLA (9th ed.) Citation

Lorwin, Lewis Levitzki. Time for Planning: A Social-economic Theory and Program for the Twentieth Century. Harper, 1945.