Xylon 48: Wellknown and unknown flying objects: 5: Flying carving machine

MLA

Hoorne, Emiel. Xylon 48: Wellknown and Unknown Flying Objects: 5: Flying Carving Machine. 1977.

APA

Hoorne, E. (1977). Xylon 48: Wellknown and unknown flying objects: 5: Flying carving machine. .

Chicago

Hoorne, Emiel Xylon 48: Wellknown and Unknown Flying Objects: 5: Flying Carving Machine.