APA

Lamb R. C., Aldwinckle H. & Terry D. E.Freedom a New Disease-Resistant Apple. : .

Chicago

Lamb Robert C, Aldwinckle Herb.S and Terry David E.Freedom a New Disease-Resistant Apple. : .

Harvard

Lamb R. C., Aldwinckle H. and Terry D. E.Freedom a New Disease-Resistant Apple. : .

MLA

Lamb Robert C, Aldwinckle Herb.S and Terry David E.: . .