APA Citation

(1939). The Delaware River Basin: The upper valley ; planned development or exploitation? [Philadelphia: Commission].

Chicago Style Citation

The Delaware River Basin: The Upper Valley ; Planned Development or Exploitation? [Philadelphia: Commission], 1939.

MLA Citation

The Delaware River Basin: The Upper Valley ; Planned Development or Exploitation? [Philadelphia: Commission], 1939.

Warning: These citations may not always be 100% accurate.