APA (7th ed.) Citation

Girvan, E., & McGonigle, J. (2002). The twentieth century (1. publ.). Heinemann.

Chicago Style (17th ed.) Citation

Girvan, Edith, and Jim McGonigle. The Twentieth Century. 1. publ. Oxford [u.a.]: Heinemann, 2002.

MLA (9th ed.) Citation

Girvan, Edith, and Jim McGonigle. The Twentieth Century. 1. publ. Heinemann, 2002.