APA (7th ed.) Citation
Heinz, W. R., & Krüger, H. Life course: Innovations and challenges for social research.
Chicago Style (17th ed.) Citation
Heinz, Walter R., and Helga Krüger. Life Course: Innovations and Challenges for Social Research.
MLA (9th ed.) Citation
Heinz, Walter R., and Helga Krüger. Life Course: Innovations and Challenges for Social Research.
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