Cita APA (7a ed.)
(1987). Collected works of Leif Johansen. North-Holland.
Cita Chicago Style (17a ed.)
Collected Works of Leif Johansen. Amsterdam: North-Holland, 1987.
Cita MLA (9a ed.)
Collected Works of Leif Johansen. North-Holland, 1987.
Precaución: Estas citas no son 100% exactas.