Cita APA (7th ed.)

Ponsonby, M. E. (1927). Mary Ponsonby: A memoir, some letters and a journal. Murray.

Cita Chicago (17th ed.)

Ponsonby, Mary Elizabeth. Mary Ponsonby: A Memoir, Some Letters and a Journal. London: Murray, 1927.

Cita MLA (8th ed.)

Ponsonby, Mary Elizabeth. Mary Ponsonby: A Memoir, Some Letters and a Journal. Murray, 1927.