Cita APA (7th ed.)

Armstrong, E. A. (1973). Saint Francis: Nature mystic; the derivation and significance of the nature stories in the Franciscan Legend. University of California Press.

Cita Chicago (17th ed.)

Armstrong, Edward Allworthy. Saint Francis: Nature Mystic; the Derivation and Significance of the Nature Stories in the Franciscan Legend. Berkeley: University of California Press, 1973.

Cita MLA (8th ed.)

Armstrong, Edward Allworthy. Saint Francis: Nature Mystic; the Derivation and Significance of the Nature Stories in the Franciscan Legend. University of California Press, 1973.