Citazione Stile APA (7a Edizione)

Smith, W. D. P. 1. (1906). Preliminary geological reconnaissance of the Loboo mountains of Batangas province. Bureau of Print.

Citazione stile Chigago Style (17a edizione)

Smith, Warren Du Pre 1880. Preliminary Geological Reconnaissance of the Loboo Mountains of Batangas Province. Manila: Bureau of Print, 1906.

Citatione MLA (9a ed.)

Smith, Warren Du Pre 1880. Preliminary Geological Reconnaissance of the Loboo Mountains of Batangas Province. Bureau of Print, 1906.