Rules and regulations / Navigation Commission for the Delaware River and its Navigable Tributaries.

Chicago citation style
Pennsylvania. Navigation Commission for the Delaware River and its Navigable Tributaries. Rules and regulations / Navigation Commission for the Delaware River and its Navigable Tributaries.. Retrieved from the Digital Public Library of America, https://archive.org/details/rulesregulations00penn_19. (Accessed December 16, 2018.)
APA citation style
Pennsylvania. Navigation Commission for the Delaware River and its Navigable Tributaries, Rules and regulations / Navigation Commission for the Delaware River and its Navigable Tributaries.. Retrieved from the Digital Public Library of America, https://archive.org/details/rulesregulations00penn_19
MLA citation style
Pennsylvania. Navigation Commission for the Delaware River and its Navigable Tributaries. Retrieved from the Digital Public Library of America <https://archive.org/details/rulesregulations00penn_19>.
Note: These citations are programmatically generated and may be incomplete.