Cita APA (7th ed.)

Horst, R. K. (1983). Compendium of rose diseases. APS.

Cita Chicago (17th ed.)

Horst, Ralph Kenneth. Compendium of Rose Diseases. Saint Paul: APS, 1983.

Cita MLA (9th ed.)

Horst, Ralph Kenneth. Compendium of Rose Diseases. APS, 1983.