APA-viite (7. p.)

Gruen, J. J., & Spring, J. (1999). Facing the Artist: John Jonas Gruen. With a foreword by Justin Spring. Prestel.

Chicago-viite (17. p.)

Gruen, John Jonas, ja Justin Spring. Facing the Artist: John Jonas Gruen. With a Foreword by Justin Spring. München [u.a.]: Prestel, 1999.

MLA-viite (8. p.)

Gruen, John Jonas, ja Justin Spring. Facing the Artist: John Jonas Gruen. With a Foreword by Justin Spring. Prestel, 1999.