Style de citation APA (7e éd.)

Langer, E. D. (2009). Expecting Pears from an Elm Tree: Franciscan Missions on the Chiriguano Frontier in the Heart of South America, 1830-1949. Duke University Press.

Style de citation Chicago (17e éd.)

Langer, Erick Detlef. Expecting Pears from an Elm Tree: Franciscan Missions on the Chiriguano Frontier in the Heart of South America, 1830-1949. Durham: Duke University Press, 2009.

Style de citation MLA (8e éd.)

Langer, Erick Detlef. Expecting Pears from an Elm Tree: Franciscan Missions on the Chiriguano Frontier in the Heart of South America, 1830-1949. Duke University Press, 2009.