Cita APA (7th ed.)

Merkel, K., & Forster, K. W. (2000). Trilogy of stone and time: Klaus Merkel ; with a preface by Kurt W. Forster. Lars Müller Publishers.

Cita Chicago (17th ed.)

Merkel, Klaus, i Kurt W. Forster. Trilogy of Stone and Time: Klaus Merkel ; with a Preface by Kurt W. Forster. [Zürich], Switzerland: Lars Müller Publishers, 2000.

Cita MLA (8th ed.)

Merkel, Klaus, i Kurt W. Forster. Trilogy of Stone and Time: Klaus Merkel ; with a Preface by Kurt W. Forster. Lars Müller Publishers, 2000.