Cita APA (7a ed.)

Jones, A., & Aldwinckle, H. (1991). Compendium of apple and pear diseases (2nd edition.). APS Press.

Cita Chicago Style (17a ed.)

Jones, A.L, y H.S Aldwinckle. Compendium of Apple and Pear Diseases. 2nd edition. Minnesota: APS Press, 1991.

Cita MLA (8a ed.)

Jones, A.L, y H.S Aldwinckle. Compendium of Apple and Pear Diseases. 2nd edition. APS Press, 1991.