APA (7th ed.) Citation

Pieper, J. (1970). El ocio y la vida intelectual (2“ ed.). Rialp.

Chicago Style (17th ed.) Citation

Pieper, Josef. El Ocio Y La Vida Intelectual. 2“ ed. Madrid [etc.]: Rialp, 1970.

MLA (9th ed.) Citation

Pieper, Josef. El Ocio Y La Vida Intelectual. 2“ ed. Rialp, 1970.