APA

Andersson L., .Tribes and genera of the Cinchoneae Complex (<Rubiaceae>). : .

Chicago

Andersson Lennart, .Tribes and genera of the Cinchoneae Complex (<Rubiaceae>). : .

Harvard

Andersson L., .Tribes and genera of the Cinchoneae Complex (<Rubiaceae>). : .

MLA

Andersson Lennart, .: . .