Citazione Stile APA (7a Edizione)

N.C. State University Cooperative Tree Improvement and Hardwood Research Programs & North Carolina State University. School of Forest Resources. (1969). Annual report. School of Forest Resources, North Carolina State University.

Citazione stile Chigago Style (17a edizione)

N.C. State University Cooperative Tree Improvement and Hardwood Research Programs e North Carolina State University. School of Forest Resources. Annual Report. Raleigh: School of Forest Resources, North Carolina State University, 1969.

Citatione MLA (8a ed.)

N.C. State University Cooperative Tree Improvement and Hardwood Research Programs e North Carolina State University. School of Forest Resources. Annual Report. School of Forest Resources, North Carolina State University, 1969.