APA (7e ed.) Bronvermelding

Warner E. P. & Norton F. N. (1920). Preliminary report on free flight tests: Preprint from Fifth Annual Report. Washington, Government Printing Office, 1920.

Chicago (17e ed.) Bronvermelding

Warner E. P. en Norton F. N. Preliminary Report on Free Flight Tests: Preprint from Fifth Annual Report. Washington, Government Printing Office, 1920, 1920.

MLA (9e ed.) Bronvermelding

Warner E. P. en Norton F. N. Preliminary Report on Free Flight Tests: Preprint from Fifth Annual Report. Washington, Government Printing Office, 1920, 1920.

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