APA (7th ed.) Citation

Leclercq, J., & Pieper, J. (1957). De la vida serena (2“ ed.). Rialp.

Chicago Style (17th ed.) Citation

Leclercq, Jacques, and Josef Pieper. De La Vida Serena. 2“ ed. Madrid: Rialp, 1957.

MLA (9th ed.) Citation

Leclercq, Jacques, and Josef Pieper. De La Vida Serena. 2“ ed. Rialp, 1957.