Cita APA (7a ed.)
Calkins, C. C. Reader's Digest Illustrated Guide to Gardening. Reader's Digest.
Cita estilo Chicago (17a ed.)
Calkins, Carroll C. Reader's Digest Illustrated Guide to Gardening. Pleasantville, EUA: Reader's Digest.
Cita MLA (9a ed.)
Calkins, Carroll C. Reader's Digest Illustrated Guide to Gardening. Reader's Digest.
Precaución: Estas citas no son 100% exactas.