APA način citiranja (7. izdanje)

Spence, I. (2003). Royal Horticultural Society garden plants and flowers. Dorling Kindersley.

Čikaški stil citiranja (17. izdanje)

Spence, Ian. Royal Horticultural Society Garden Plants and Flowers. London: Dorling Kindersley, 2003.

MLA način citiranja (8. izdanje)

Spence, Ian. Royal Horticultural Society Garden Plants and Flowers. Dorling Kindersley, 2003.