Lua APA (7ú heag.)

Malthus, T. (1959). Population: The first essay. Univ. Press.

Lua i Stíl Chicago (17ú heag.)

Malthus, Thomas. Population: The First Essay. Michigan: Univ. Press, 1959.

Lua MLA (9ú heag.)

Malthus, Thomas. Population: The First Essay. Univ. Press, 1959.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.