Blake, R. B. (1958). 'Esto perpetua' : the Norwich Union Life Insurance Society : an account of one hundred and fifty years of progress and development in the service of the community / by Robert Blake: The Norwich Union Life Insurance Society : an account of one hundred and fifty years of progress and development in the service of the community. Norwich Union Life Insurance Society.
Chicago Style (17th ed.) CitationBlake, Robert Blake. 'Esto Perpetua' : The Norwich Union Life Insurance Society : An Account of One Hundred and Fifty Years of Progress and Development in the Service of the Community / by Robert Blake: The Norwich Union Life Insurance Society : An Account of One Hundred and Fifty Years of Progress and Development in the Service of the Community. Norwich Union Life Insurance Society, 1958.
MLA (9th ed.) CitationBlake, Robert Blake. 'Esto Perpetua' : The Norwich Union Life Insurance Society : An Account of One Hundred and Fifty Years of Progress and Development in the Service of the Community / by Robert Blake: The Norwich Union Life Insurance Society : An Account of One Hundred and Fifty Years of Progress and Development in the Service of the Community. Norwich Union Life Insurance Society, 1958.