Παραπομπή APA

Sartre, J. (1956). Being and nothingness: An essay on phenomenological ontology. Washington Square Press.

Παραπομπή Chicago Style

Sartre, Jean-Paul. Being and Nothingness: An Essay on Phenomenological Ontology. New York: Washington Square Press, 1956.

Παραπομπή MLA

Sartre, Jean-Paul. Being and Nothingness: An Essay on Phenomenological Ontology. Washington Square Press, 1956.