APA (7th ed.) Citation

Hillyard, P. D., & Sankey, J. H. (1989). Harvestmen: Keys and notes for the identification of the species (2. ed.). Brill.

Chicago Style (17th ed.) Citation

Hillyard, Paul D., and John H. Sankey. Harvestmen: Keys and Notes for the Identification of the Species. 2. ed. Leiden u.a: Brill, 1989.

MLA (9th ed.) Citation

Hillyard, Paul D., and John H. Sankey. Harvestmen: Keys and Notes for the Identification of the Species. 2. ed. Brill, 1989.