Citação norma APA

Purdue University. Agricultural Experiment Station. (1957). Research bulletin. [Agricultural Experiment Station, Purdue University].

Citação norma Chicago

Purdue University. Agricultural Experiment Station. Research Bulletin. West Lafayette, Ind.: [Agricultural Experiment Station, Purdue University], 1957.

Citação norma MLA

Purdue University. Agricultural Experiment Station. Research Bulletin. [Agricultural Experiment Station, Purdue University], 1957.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.