Doctrina Christiana.
The first book printed in the Philippines, Manila, 1593.
APA Citation
Wolf, E. (1947). Doctrina Christiana: The first book printed in the Philippines, Manila, 1593. Washington: Library of Congress.
MLA Citation
Wolf, Edwin, 1911-1991. Doctrina Christiana: The First Book Printed In the Philippines, Manila, 1593. Washington: Library of Congress, 1947.
Warning: These citations may not always be complete (especially for serials).