Trích dẫn APA

Richardson, M. (2003). “Author pays” as new science publishing model: Several models of scientific publishing are likely. BMJ Group.

Trích dẫn kiểu Chicago

Richardson, Martin. “Author Pays” As New Science Publishing Model: Several Models of Scientific Publishing Are Likely. BMJ Group, 2003.

Trích dẫn MLA

Richardson, Martin. “Author Pays” As New Science Publishing Model: Several Models of Scientific Publishing Are Likely. BMJ Group, 2003.

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