APA-viite (7. p.)

(1915). Yearbook of the United States Department of Agriculture 1915. Government Printing.

Chicago-viite (17. p.)

Yearbook of the United States Department of Agriculture 1915. Washington: Government Printing, 1915.

MLA-viite (9. p.)

Yearbook of the United States Department of Agriculture 1915. Government Printing, 1915.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.