APA (7th ed.) Citation

Ritchie, W. A., & Funk, R. E. Aboriginal settlement patterns in the northeast.

Chicago Style (17th ed.) Citation

Ritchie, William A., and Robert E. Funk. Aboriginal Settlement Patterns in the Northeast.

MLA (8th ed.) Citation

Ritchie, William A., and Robert E. Funk. Aboriginal Settlement Patterns in the Northeast.

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