Cita APA

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

Chicago Style Citation

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

Cita MLA

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