APA (7th ed.) Citation

Boesch, H. H. (1964). A geography of world economy. Van Nostrand.

Chicago Style (17th ed.) Citation

Boesch, Hans Heinrich. A Geography of World Economy. Princeton, N.J: Van Nostrand, 1964.

MLA (9th ed.) Citation

Boesch, Hans Heinrich. A Geography of World Economy. Van Nostrand, 1964.