APA (7th ed.) Citation

O'Brien, W. J. (1962). The historical development of the biochemical oxygen demand test. Engineering Experiment Station, New Mexico State University.

Chicago Style (17th ed.) Citation

O'Brien, Walter James. The Historical Development of the Biochemical Oxygen Demand Test. University Park: Engineering Experiment Station, New Mexico State University, 1962.

MLA (9th ed.) Citation

O'Brien, Walter James. The Historical Development of the Biochemical Oxygen Demand Test. Engineering Experiment Station, New Mexico State University, 1962.