APA (7th ed.) Citation

Daehn, R. M. (1974). A Regional System for Maps. Report No. 4.

Chicago Style (17th ed.) Citation

Daehn, Ralph M. A Regional System for Maps. Report No. 4. 1974.

MLA (9th ed.) Citation

Daehn, Ralph M. A Regional System for Maps. Report No. 4. 1974.

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