APA (7th ed.) Citation

Grigg, J. (1980). Nancy Astor, a lady unashamed (1st American ed.). Little, Brown.

Chicago Style (17th ed.) Citation

Grigg, John. Nancy Astor, a Lady Unashamed. 1st American ed. Boston: Little, Brown, 1980.

MLA (8th ed.) Citation

Grigg, John. Nancy Astor, a Lady Unashamed. 1st American ed. Little, Brown, 1980.