एपीए उद्धरण

International Grassland Congress Pennsylvania, & International Grassland Congress. (1952). Proccedings of the sixth international grassland congress. Pennsylvania: Pennsylvania State College.

शिकागो स्टाइल उद्धरण

International Grassland Congress Pennsylvania, और International Grassland Congress. Proccedings of the Sixth International Grassland Congress. Pennsylvania: Pennsylvania State College, 1952.

एमएलए उद्धरण

International Grassland Congress Pennsylvania, और International Grassland Congress. Proccedings of the Sixth International Grassland Congress. Pennsylvania: Pennsylvania State College, 1952.