APA (7th ed.) Citation

Gassen, K. (1987). Geplante Ewigkeit: Naturwiss., Religion, Evolution. Pfeiffer.

Chicago Style (17th ed.) Citation

Gassen, Karl. Geplante Ewigkeit: Naturwiss., Religion, Evolution. München: Pfeiffer, 1987.

MLA (9th ed.) Citation

Gassen, Karl. Geplante Ewigkeit: Naturwiss., Religion, Evolution. Pfeiffer, 1987.

Warning: These citations may not always be 100% accurate.