APA (7th ed.) Citation

(2011). Who's buying groceries (9th ed.). New Strategist Publications.

Chicago Style (17th ed.) Citation

Who's Buying Groceries. 9th ed. Ithaca, N.Y: New Strategist Publications, 2011.

MLA (9th ed.) Citation

Who's Buying Groceries. 9th ed. New Strategist Publications, 2011.

Warning: These citations may not always be 100% accurate.