APA (7th ed.) Citation

Holness, D. H. (1991). Pigs (1. ed.). Macmillan.

Chicago Style (17th ed.) Citation

Holness, David H. Pigs. 1. ed. Basingstoke [u.a.]: Macmillan, 1991.

MLA (9th ed.) Citation

Holness, David H. Pigs. 1. ed. Macmillan, 1991.