Cita APA (7th ed.)

Gras, V. W. (1973). From existential Phenomenology to structuralism. Delta.

Cita Chicago (17th ed.)

Gras, Vernon W. From Existential Phenomenology to Structuralism. New York, Estados Unidos: Delta, 1973.

Cita MLA (9th ed.)

Gras, Vernon W. From Existential Phenomenology to Structuralism. Delta, 1973.