APA (7th ed.) Citation

Sankey, J. H. P., & Savory, T. H. (1979). British harvestmen. Arachnida, Opiliones: Keys and notes for the identification of the species (2nd ed.). Academic Press.

Chicago Style (17th ed.) Citation

Sankey, J. H. P., and Theodore H. Savory. British Harvestmen. Arachnida, Opiliones: Keys and Notes for the Identification of the Species. 2nd ed. London [etc.]: Academic Press, 1979.

MLA (9th ed.) Citation

Sankey, J. H. P., and Theodore H. Savory. British Harvestmen. Arachnida, Opiliones: Keys and Notes for the Identification of the Species. 2nd ed. Academic Press, 1979.