APA

Erisman P., . (2017). Six Billion Shoppers. London: Pan Books.

Chicago

Erisman Porter, . 2017. Six Billion Shoppers. London: Pan Books.

Harvard

Erisman P., . (2017). Six Billion Shoppers. London: Pan Books.

MLA

Erisman Porter, . Six Billion Shoppers. London: Pan Books. 2017.