APA Style
Boen, T., Wangsadinata, W. (1971).
A Brief Outline of Seismicity and Earthquake engineering Problems in Indonesia .
:
.
MLA Style
Boen, T.., Wangsadinata, Wiratman.
"A Brief Outline of Seismicity and Earthquake engineering Problems in Indonesia".
:
,
1971.
Books.