APA-viite

Mennes, L., Tinbergen Jan, & Eaarden burg George J. (1969). Element of space in development planning. North Holland publishing company.

Chicago-tyylinen lähdeviittaus

Mennes, L.B.M, Tinbergen Jan, ja Eaarden burg George J. Element of Space in Development Planning. London: North Holland publishing company, 1969.

MLA-viite

Mennes, L.B.M, et al. Element of Space in Development Planning. North Holland publishing company, 1969.