APA (7e ed.) Bronvermelding

Merkel, K., & Merkel, K. (2023). Trilogy of stone and time: Klaus Merkel. Lars Müller Publishers.

Chicago (17e ed.) Bronvermelding

Merkel, Klaus, en Klaus Merkel. Trilogy of Stone and Time: Klaus Merkel. [Zürich], Switzerland: Lars Müller Publishers, 2023.

MLA (8e ed.) Bronvermelding

Merkel, Klaus, en Klaus Merkel. Trilogy of Stone and Time: Klaus Merkel. Lars Müller Publishers, 2023.