Cita APA (7a ed.)

Hillyard, P. D. (1996). Ticks of North-West Europe: Keys and notes for identification of the species. Field Studies Council.

Cita Chicago Style (17a ed.)

Hillyard, Paul D. Ticks of North-West Europe: Keys and Notes for Identification of the Species. Shrewsbury: Field Studies Council, 1996.

Cita MLA (9a ed.)

Hillyard, Paul D. Ticks of North-West Europe: Keys and Notes for Identification of the Species. Field Studies Council, 1996.