APA ציטוט

Philipson, W. R. (1948). Birds of a valley. Longmans, Green.

Chicago Style (17th ed.) Citation

Philipson, W. R. Birds of a Valley. London, New York: Longmans, Green, 1948.

ציטוט MLA

Philipson, W. R. Birds of a Valley. Longmans, Green, 1948.