Cita APA

Harkness, P. (1992). Roses to enjoy. The Royal National Rose Society.

Citación estilo Chicago

Harkness, Peter. Roses to Enjoy. Albany: The Royal National Rose Society, 1992.

Cita MLA

Harkness, Peter. Roses to Enjoy. The Royal National Rose Society, 1992.

Warning: These citations may not always be 100% accurate.