Kaksikymmentäneljäkulmaisen ristikirkon :
syntyongelmia = On Finnish cruciformed timber-churches with twenty-four corners : problems concerning their origin /
Lars Pettersson.

APA Citation

Pettersson, L. (1978). Kaksikymmentäneljäkulmaisen ristikirkon: syntyongelmia = On Finnish cruciformed timber-churches with twenty-four corners : problems concerning their origin. Helsinki: [Suomen Muinaismuistoyhdistys].

MLA Citation

Pettersson, Lars. Kaksikymmentäneljäkulmaisen Ristikirkon: Syntyongelmia = On Finnish Cruciformed Timber-churches With Twenty-four Corners : Problems Concerning Their Origin. Helsinki: [Suomen Muinaismuistoyhdistys], 1978.

Warning: These citations may not always be complete (especially for serials).