APA استشهاد

Sherwin, K. (1971). Man Powered Flight. Model and Allied Pub.

استشهاد بنمط شيكاغو

Sherwin, Keith. Man Powered Flight. Herts: Model and Allied Pub, 1971.

MLA استشهاد

Sherwin, Keith. Man Powered Flight. Model and Allied Pub, 1971.