Cita APA (7a ed.)

Whitford, H. N. (1911). The forests of the Philippines. Bureau of printing.

Cita Chicago Style (17a ed.)

Whitford, H. N. The Forests of the Philippines. Manila: Bureau of printing, 1911.

Cita MLA (9a ed.)

Whitford, H. N. The Forests of the Philippines. Bureau of printing, 1911.