Cita APA (7a ed.)
Engstrom, T. W., & Mackenzie, R. A. (1976). Managing your time: Practical guidance on thre effective use of time. Zondervan Publ. House.
Cita Chicago Style (17a ed.)
Engstrom, Ted W., y R. Alec Mackenzie. Managing Your Time: Practical Guidance on Thre Effective Use of Time. Grand Rapids: Zondervan Publ. House, 1976.
Cita MLA (9a ed.)
Engstrom, Ted W., y R. Alec Mackenzie. Managing Your Time: Practical Guidance on Thre Effective Use of Time. Zondervan Publ. House, 1976.
Precaución: Estas citas no son 100% exactas.