MLA

Annual Report of the Commissioner of Internal Revenue for the Fiscal Year Ended June 30. Washington: U.S. G.P.O, .

APA

Annual report of the Commissioner of Internal Revenue for the fiscal year ended June 30. Washington: U.S. G.P.O.

Chicago

Annual Report of the Commissioner of Internal Revenue for the Fiscal Year Ended June 30. Washington: U.S. G.P.O.