APA引文

Bowman, I. (1921). The new world: Problems in political geography. World book company.

Chicago Style (17th ed.) Citation

Bowman, Isaiah. The New World: Problems in Political Geography. Yonkers-on-Hudson, N.Y.: World book company, 1921.

MLA引文

Bowman, Isaiah. The New World: Problems in Political Geography. World book company, 1921.