Manual of procedure for field and station effective January 1, 1913 /
Major George P. Ahern, director of forestry.

APA Citation

Philippines. Bureau of Forestry. (1913). Manual of procedure for field and station effective January 1, 1913. [Manila ?].

MLA Citation

Philippines. Bureau of Forestry. Manual of Procedure for Field And Station Effective January 1, 1913. [Manila ?], 1913.

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