APA (7th ed.) Citation

Luijpen, W. (1969). Existential phenomenology (Rev. ed.). Duquesne University Press.

Chicago Style (17th ed.) Citation

Luijpen, W. Existential Phenomenology. Rev. ed. Pittsburgh: Duquesne University Press, 1969.

MLA (9th ed.) Citation

Luijpen, W. Existential Phenomenology. Rev. ed. Duquesne University Press, 1969.