Mit grønne underlag = My green underlay
MLA
Abrahamsen, Hans and Alexander Street Press. Mit grønne underlag = My green underlay. Copenhagen : Wilhelm Hansen, 1970.
APA
Abrahamsen, H. & Alexander Street Press. (1970). Mit grønne underlag = My green underlay. Copenhagen : Wilhelm Hansen.
Chicago
Abrahamsen, Hans and Alexander Street Press. Mit grønne underlag = My green underlay. Copenhagen : Wilhelm Hansen, 1970.