APA (7th ed.) Citation

De Blij, H. J. (1980). The Earth a topical geography. John Willey r Sons.

Chicago Style (17th ed.) Citation

De Blij, Harm J. The Earth a Topical Geography. John Willey r Sons, 1980.

MLA (8th ed.) Citation

De Blij, Harm J. The Earth a Topical Geography. John Willey r Sons, 1980.

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