APA

United States, . (1971). Memorial services held in the House of Representatives and Senate of the United States, together with tributes presented in eulogy of G. Robert Watkins: late a Representative from Pennsylvania. Washington: U.S. Govt. Print. Off.

Chicago

United States, . 1971. Memorial services held in the House of Representatives and Senate of the United States, together with tributes presented in eulogy of G. Robert Watkins: late a Representative from Pennsylvania. Washington: U.S. Govt. Print. Off.

Harvard

United States, . (1971). Memorial services held in the House of Representatives and Senate of the United States, together with tributes presented in eulogy of G. Robert Watkins: late a Representative from Pennsylvania. Washington: U.S. Govt. Print. Off.

MLA

United States, . Memorial services held in the House of Representatives and Senate of the United States, together with tributes presented in eulogy of G. Robert Watkins: late a Representative from Pennsylvania. Washington: U.S. Govt. Print. Off. 1971.