APA (7e ed.) Bronvermelding

Humphrey, C. (1929). Timber storage conditions in the eastern and southern states with reference to decay problems. United States Government Printing Office.

Chicago (17e ed.) Bronvermelding

Humphrey, C.J. Timber Storage Conditions in the Eastern and Southern States with Reference to Decay Problems. Washington: United States Government Printing Office, 1929.

MLA (9e ed.) Bronvermelding

Humphrey, C.J. Timber Storage Conditions in the Eastern and Southern States with Reference to Decay Problems. United States Government Printing Office, 1929.

Let op: Deze citaties zijn niet altijd 100% accuraat.