VANCOUVER Edition Citation

1.
A Modern geography of the United States. Harmondsworth, Baltimore, Ringwood: Penguin Books; 1972.

ISO690 Edition Citation

A Modern geography of the United States. Harmondsworth, Baltimore, Ringwood : Penguin Books, 18 juin 1972. ISBN 0-14-02-1365-1

Style de citation APA (7e éd.)

Estall Robert. (1972). A Modern geography of the United States: Aspects of life and economy. Penguin Books.

Style de citation MLA (8e éd.)

Estall Robert. A Modern Geography of the United States: Aspects of Life and Economy. Penguin Books, 1972.

Attention : ces citations peuvent ne pas être correctes à 100%.