APA aipamena

En Quad. (1898). Twice adopted: A story of Delaware County. Cooper & Vernon.

Chicago Style aipamena

En Quad. Twice Adopted: A Story of Delaware County. Media, Pa.: Cooper & Vernon, 1898.

MLA aipamena

En Quad. Twice Adopted: A Story of Delaware County. Cooper & Vernon, 1898.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.