एपीए उद्धरण

Madrigal, Á. (2004). Migration and Emigration of Species.

शिकागो स्टाइल उद्धरण

Madrigal, Álvaro. Migration and Emigration of Species. 2004.

एमएलए उद्धरण

Madrigal, Álvaro. Migration and Emigration of Species. 2004.