Trích dẫn APA

(2008). Peterson’s graduate programs in the physical sciences, mathematics, agricultural sciences, the environment & natural resources. Princeton, N.J: Peterson’s.

Trích dẫn kiểu Chicago

Peterson’s Graduate Programs in the Physical Sciences, Mathematics, Agricultural Sciences, the Environment & Natural Resources. Princeton, N.J: Peterson’s, 2008.

Trích dẫn MLA

Peterson’s Graduate Programs in the Physical Sciences, Mathematics, Agricultural Sciences, the Environment & Natural Resources. Princeton, N.J: Peterson’s, 2008.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.