APA
Abler R., Adams J. S. & Gould P. (1972). Spatial organization: the geographer's view of the world. London: Prentice-Hall International.
Chicago
Abler Ronald, Adams John S and Gould Peter. 1972. Spatial organization: the geographer's view of the world. London: Prentice-Hall International.
Harvard
Abler R., Adams J. S. and Gould P. (1972). Spatial organization: the geographer's view of the world. London: Prentice-Hall International.
MLA
Abler Ronald, Adams John S and Gould Peter. Spatial organization: the geographer's view of the world. London: Prentice-Hall International. 1972.