Cita APA (7a ed.)

Rittershausen, B., Rittershausen, W., & Fletcher, R. (1985). Orchids in colours (Repr.). Blandford Press.

Cita Chicago Style (17a ed.)

Rittershausen, Brian, Wilma Rittershausen, y Robin Fletcher. Orchids in Colours. Repr. Poole [etc.]: Blandford Press, 1985.

Cita MLA (9a ed.)

Rittershausen, Brian, et al. Orchids in Colours. Repr. Blandford Press, 1985.