APA (7th ed.) Citation

Doerr, A. H. (1969). An introduction to economic geography. Brown.

Chicago Style (17th ed.) Citation

Doerr, Arthur H. An Introduction to Economic Geography. Dubuque, Iowa: Brown, 1969.

MLA (9th ed.) Citation

Doerr, Arthur H. An Introduction to Economic Geography. Brown, 1969.

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