APA (7e ed.) Bronvermelding

Committee on Indexing Procedures. (1968). Indexing procedures for 15 virus diseases of citrus trees. Department of Agriculture.

Chicago (17e ed.) Bronvermelding

Committee on Indexing Procedures. Indexing Procedures for 15 Virus Diseases of Citrus Trees. Washington, D.C: Department of Agriculture, 1968.

MLA (9e ed.) Bronvermelding

Committee on Indexing Procedures. Indexing Procedures for 15 Virus Diseases of Citrus Trees. Department of Agriculture, 1968.