APA (7th ed.) Citation

Campbell, E. F. (1942). Our world and how we use it: Social geography. Scott, Foresman.

Chicago Style (17th ed.) Citation

Campbell, Edna Fay. Our World and How We Use It: Social Geography. Chicago [u.a.]: Scott, Foresman, 1942.

MLA (9th ed.) Citation

Campbell, Edna Fay. Our World and How We Use It: Social Geography. Scott, Foresman, 1942.