APA (7th ed.) Citation

Roberts, M. J. (1995). Spiders of Britain & Northern Europe. Harper, Collins.

Chicago Style (17th ed.) Citation

Roberts, Michael J. Spiders of Britain & Northern Europe. London [u.a.]: Harper, Collins, 1995.

MLA (9th ed.) Citation

Roberts, Michael J. Spiders of Britain & Northern Europe. Harper, Collins, 1995.

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