APA (7th ed.) Citation

Juan Pablo II, P. (1981). Encyclical Laborem exercens. Libreria Editrice Vaticana.

Chicago Style (17th ed.) Citation

Juan Pablo II, Papa. Encyclical Laborem Exercens. [Vatican City]: Libreria Editrice Vaticana, 1981.

MLA (9th ed.) Citation

Juan Pablo II, Papa. Encyclical Laborem Exercens. Libreria Editrice Vaticana, 1981.

Warning: These citations may not always be 100% accurate.