Cita APA (7th ed.)
Satchwell, J., & Hausner, H. E. (1981). Lebenskraft Energie: Energy at work. Ueberreuter.
Cita Chicago (17th ed.)
Satchwell, John, i Hans E. Hausner. Lebenskraft Energie: Energy at Work. Wien, Heidelberg: Ueberreuter, 1981.
Cita MLA (9th ed.)
Satchwell, John, i Hans E. Hausner. Lebenskraft Energie: Energy at Work. Ueberreuter, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.