Cita APA (7a ed.)

Próspero de Aquitania, S., & De Letter, P. (1952). The call of all nations. Newman.

Cita Chicago Style (17a ed.)

Próspero de Aquitania, Santo, y Prudence De Letter. The Call of All Nations. New York ; Ramsey: Newman, 1952.

Cita MLA (9a ed.)

Próspero de Aquitania, Santo, y Prudence De Letter. The Call of All Nations. Newman, 1952.