APA

United States, . (2019). From Yellowstone's grizzly bear to the Chesapeake's Delmarva fox squirrel: successful state conservation, recovery, and management of wildlife : hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Fifteenth Congress, second session, October 10, 2018. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2019. From Yellowstone's grizzly bear to the Chesapeake's Delmarva fox squirrel: successful state conservation, recovery, and management of wildlife : hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Fifteenth Congress, second session, October 10, 2018. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2019). From Yellowstone's grizzly bear to the Chesapeake's Delmarva fox squirrel: successful state conservation, recovery, and management of wildlife : hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Fifteenth Congress, second session, October 10, 2018. Washington: U.S. Government Publishing Office.

MLA

United States, . From Yellowstone's grizzly bear to the Chesapeake's Delmarva fox squirrel: successful state conservation, recovery, and management of wildlife : hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Fifteenth Congress, second session, October 10, 2018. Washington: U.S. Government Publishing Office. 2019.