APA (7th ed.) Citation

Southward, E. C., & Campbell, A. C. (2006). Echinoderms: Keys and notes for the identification of British species. Field Studies Council.

Chicago Style (17th ed.) Citation

Southward, Eve C., and Andrew C. Campbell. Echinoderms: Keys and Notes for the Identification of British Species. Shrewsbury: Field Studies Council, 2006.

MLA (9th ed.) Citation

Southward, Eve C., and Andrew C. Campbell. Echinoderms: Keys and Notes for the Identification of British Species. Field Studies Council, 2006.