APA

Blanchard S. F., Hahl D. C., . (1987). Transport of Dissolved and Suspended Material by the Potomac River at Chain Bridge, at Washington, D.C., Water Years 1978 - 81. [Washington]: U.S. Gov. Print. Off.

Chicago

Blanchard Stephen F, Hahl D C, . 1987. Transport of Dissolved and Suspended Material by the Potomac River at Chain Bridge, at Washington, D.C., Water Years 1978 - 81. [Washington]: U.S. Gov. Print. Off.

Harvard

Blanchard S. F., Hahl D. C., . (1987). Transport of Dissolved and Suspended Material by the Potomac River at Chain Bridge, at Washington, D.C., Water Years 1978 - 81. [Washington]: U.S. Gov. Print. Off.

MLA

Blanchard Stephen F, Hahl D C, . Transport of Dissolved and Suspended Material by the Potomac River at Chain Bridge, at Washington, D.C., Water Years 1978 - 81. [Washington]: U.S. Gov. Print. Off. 1987.