APA (7th ed.) Citation

Gatenby, R. M. (1991). Sheep (1. ed.). Macmillan.

Chicago Style (17th ed.) Citation

Gatenby, Ruth M. Sheep. 1. ed. Basingstoke [u.a.]: Macmillan, 1991.

MLA (9th ed.) Citation

Gatenby, Ruth M. Sheep. 1. ed. Macmillan, 1991.