APA način citiranja (7. izdanje)

Hargreaves, B., & Hargreaves, D. (1965). Tropical trees. Hargreaves Company.

Čikaški stil citiranja (17. izdanje)

Hargreaves, Bob, i Dorothy Hargreaves. Tropical Trees. Hawaii: Hargreaves Company, 1965.

MLA način citiranja (9. izdanje)

Hargreaves, Bob, i Dorothy Hargreaves. Tropical Trees. Hargreaves Company, 1965.