Cita APA (7a ed.)

Spener, P. J., & Aland, K. (1940). Pia desideria. Walter de Gruyter.

Cita Chicago Style (17a ed.)

Spener, Philipp Jakob, y Kurt Aland. Pia Desideria. Berlin: Walter de Gruyter, 1940.

Cita MLA (9a ed.)

Spener, Philipp Jakob, y Kurt Aland. Pia Desideria. Walter de Gruyter, 1940.