APA (7th ed.) Citation

Simon, N. (1993). The Guinness guide to nature in danger: Threatened habitats and species. Guinness Publishing.

Chicago Style (17th ed.) Citation

Simon, Noel. The Guinness Guide to Nature in Danger: Threatened Habitats and Species. London, Middlesex, Eng: Guinness Publishing, 1993.

MLA (9th ed.) Citation

Simon, Noel. The Guinness Guide to Nature in Danger: Threatened Habitats and Species. Guinness Publishing, 1993.

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