APA (7th ed.) Citation

Hull, O. (1968). A geography of production / by O. Hull. Macmillan.

Chicago Style (17th ed.) Citation

Hull, O. A Geography of Production / by O. Hull. Macmillan, 1968.

MLA (9th ed.) Citation

Hull, O. A Geography of Production / by O. Hull. Macmillan, 1968.

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