Cita APA (7a ed.)

Champion, H. (2023). An investigation of certain factors concerning the resin-tapping industry in Pinus longifolia. Superintendent Government Printing.

Cita Chicago Style (17a ed.)

Champion, H.G. An Investigation of Certain Factors Concerning the Resin-tapping Industry in Pinus Longifolia. Superintendent Government Printing, 2023.

Cita MLA (9a ed.)

Champion, H.G. An Investigation of Certain Factors Concerning the Resin-tapping Industry in Pinus Longifolia. Superintendent Government Printing, 2023.