Cita APA (7th ed.)

Summerhayes, I. K. (1936). The twisted vine: An imaginative reconstruction of the early life of Jacopone da Todi, mystic poet of Umbria. Bles.

Cita Chicago (17th ed.)

Summerhayes, I. K. The Twisted Vine: An Imaginative Reconstruction of the Early Life of Jacopone Da Todi, Mystic Poet of Umbria. London: Bles, 1936.

Cita MLA (8th ed.)

Summerhayes, I. K. The Twisted Vine: An Imaginative Reconstruction of the Early Life of Jacopone Da Todi, Mystic Poet of Umbria. Bles, 1936.