APA (7th ed.) Citation

Gerhard, U., & Hahn, B. (2005). Wal-Mart and Aldi: Two retail giants in Germany. GeoJournal, 62(1/2), .

Chicago Style (17th ed.) Citation

Gerhard, Ulrike, and Barbara Hahn. "Wal-Mart and Aldi: Two Retail Giants in Germany." GeoJournal 62, no. 1/2 (2005).

MLA (9th ed.) Citation

Gerhard, Ulrike, and Barbara Hahn. "Wal-Mart and Aldi: Two Retail Giants in Germany." GeoJournal, vol. 62, no. 1/2, 2005.

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