(1956). Rock and log structures for scientific trout stream management.
Čikaški stil citiranja (17. izdanje)Rock and Log Structures for Scientific Trout Stream Management. Boulder, Colo, 1956.
MLA način citiranja (8. izdanje)Rock and Log Structures for Scientific Trout Stream Management. 1956.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.