Citazione Stile APA (7a Edizione)

Horward, S. (1927). A system of filing information on forestry. Central Publication Branch, Government of India.

Citazione stile Chigago Style (17a edizione)

Horward, S.H. A System of Filing Information on Forestry. Calcutta: Central Publication Branch, Government of India, 1927.

Citatione MLA (9a ed.)

Horward, S.H. A System of Filing Information on Forestry. Central Publication Branch, Government of India, 1927.