एपीए उद्धरण

Mather, K. F. Along the Andean front in southeastern Bolivia.

शिकागो स्टाइल उद्धरण

Mather, Kirtley F. Along the Andean Front in Southeastern Bolivia.

एमएलए उद्धरण

Mather, Kirtley F. Along the Andean Front in Southeastern Bolivia.