APA
Neil D., Johns T., . (1973). Investigation of the relationships between induced fatigue and heart rate. Chapel Hill, N.C: North Carolina University. Highway Safety Research Center.
Chicago
Neil DE, Johns TR, . 1973. Investigation of the relationships between induced fatigue and heart rate. Chapel Hill, N.C: North Carolina University. Highway Safety Research Center.
Harvard
Neil D., Johns T., . (1973). Investigation of the relationships between induced fatigue and heart rate. Chapel Hill, N.C: North Carolina University. Highway Safety Research Center.
MLA
Neil DE, Johns TR, . Investigation of the relationships between induced fatigue and heart rate. Chapel Hill, N.C: North Carolina University. Highway Safety Research Center. 1973.