APA (7th ed.) Citation

Trappe, H., Rau, R., Schiefer, K., & Spieß, C. K. Comparative Population Studies at Fifty: Views on the Past, Present, and Future. Federal Institute for Population Research.

Chicago Style (17th ed.) Citation

Trappe, Heike, Roland Rau, Katrin Schiefer, and C. Katharina Spieß. Comparative Population Studies at Fifty: Views on the Past, Present, and Future. Federal Institute for Population Research.

MLA (9th ed.) Citation

Trappe, Heike, et al. Comparative Population Studies at Fifty: Views on the Past, Present, and Future. Federal Institute for Population Research.