APA (7th ed.) Citation

Marshall, K. T., & Oliver, R. M. (1969). A constant work model for student attendance and enrollment. Univ. of California.

Chicago Style (17th ed.) Citation

Marshall, Kneale T., and Robert M. Oliver. A Constant Work Model for Student Attendance and Enrollment. Berkeley, Calif: Univ. of California, 1969.

MLA (9th ed.) Citation

Marshall, Kneale T., and Robert M. Oliver. A Constant Work Model for Student Attendance and Enrollment. Univ. of California, 1969.