Hess, N., Strauss, D., & Wolfs, R. (1999). Nic Hess. Müller.
Cita Chicago (17th ed.)Hess, Nic, Dorothea Strauss, i Rein Wolfs. Nic Hess. Baden: Müller, 1999.
Cita MLA (8th ed.)Hess, Nic, et al. Nic Hess. Müller, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.