Cita APA (7th ed.)

Hartkamp, A. S., Hesselink, M. W., Hondius, E. H., Mak, C., & Perron, C. E. d. (2011). Towards a European civil code (4a. ed.). Wolters Kluwer.

Cita Chicago (17th ed.)

Hartkamp, Arthur S., Martijn W. Hesselink, Ewoud H. Hondius, Chantal Mak, i C. Edgar du Perron. Towards a European Civil Code. 4a. ed. Alphen aan den Rijn: Wolters Kluwer, 2011.

Cita MLA (9th ed.)

Hartkamp, Arthur S., et al. Towards a European Civil Code. 4a. ed. Wolters Kluwer, 2011.