APA (7th ed.) Citation

Shepherd, R., & Shepherd, R. (2002). 1000 symbols / Rowena & Rupert Shepherd. Thames & Hudson.

Chicago Style (17th ed.) Citation

Shepherd, Rowena, and Rupert Shepherd. 1000 Symbols / Rowena & Rupert Shepherd. London: Thames & Hudson, 2002.

MLA (9th ed.) Citation

Shepherd, Rowena, and Rupert Shepherd. 1000 Symbols / Rowena & Rupert Shepherd. Thames & Hudson, 2002.

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