APA (7th ed.) Citation

Opp, A. (2012). A noninvasive method to determine hemoglobin concentration in tubes.

Chicago Style (17th ed.) Citation

Opp, Alexander. A Noninvasive Method to Determine Hemoglobin Concentration in Tubes. 2012.

MLA (9th ed.) Citation

Opp, Alexander. A Noninvasive Method to Determine Hemoglobin Concentration in Tubes. 2012.

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