Salisbury, J. d., & Ladero Quesada, M. Á. (1984). Policraticus. Editora Nacional.
Chicago Style (17th ed.) CitationSalisbury, Juan de, and Miguel Ángel Ladero Quesada. Policraticus. Madrid, España: Editora Nacional, 1984.
MLA (9th ed.) CitationSalisbury, Juan de, and Miguel Ángel Ladero Quesada. Policraticus. Editora Nacional, 1984.
Warning: These citations may not always be 100% accurate.