APA (7th ed.) Citation

Der Velden, P. V. (1875). Principia Theologiae Moralis: Theoretice et practice (1a. ed.). H. Casterman.

Chicago Style (17th ed.) Citation

Der Velden, Pio Van. Principia Theologiae Moralis: Theoretice Et Practice. 1a. ed. Tournai: H. Casterman, 1875.

MLA (9th ed.) Citation

Der Velden, Pio Van. Principia Theologiae Moralis: Theoretice Et Practice. 1a. ed. H. Casterman, 1875.