APA (7th ed.) Citation

Merkel, K., & Merkel, K. (2005). Trilogy of stone and time: Klaus Merkel. Lars Müller Publishers.

Chicago Style (17th ed.) Citation

Merkel, Klaus, and Klaus Merkel. Trilogy of Stone and Time: Klaus Merkel. [Zürich], Switzerland: Lars Müller Publishers, 2005.

MLA (8th ed.) Citation

Merkel, Klaus, and Klaus Merkel. Trilogy of Stone and Time: Klaus Merkel. Lars Müller Publishers, 2005.