APA (7th ed.) Citation

Etulain, R. W. (2021). Mark O. Hatfield: Oregon statesman. University of Oklahoma Press.

Chicago Style (17th ed.) Citation

Etulain, Richard W. Mark O. Hatfield: Oregon Statesman. Norman: University of Oklahoma Press, 2021.

MLA (9th ed.) Citation

Etulain, Richard W. Mark O. Hatfield: Oregon Statesman. University of Oklahoma Press, 2021.