Cita APA (7a ed.)

Ruetz, M., & Honnef, K. (2007). Eye on eternity 1968-1997. Seemann.

Cita Chicago Style (17a ed.)

Ruetz, Michael, y Klaus Honnef. Eye on Eternity 1968-1997. Leipzig: Seemann, 2007.

Cita MLA (8a ed.)

Ruetz, Michael, y Klaus Honnef. Eye on Eternity 1968-1997. Seemann, 2007.