APA (7th ed.) Citation

Galland, P., Lisitzin, K., Oudaille-Diethardt, A., Young, C., & Hamilton, E. World heritage in Europe today.

Chicago Style (17th ed.) Citation

Galland, Pierre, Katri Lisitzin, Anatole Oudaille-Diethardt, Christopher Young, and Emily Hamilton. World Heritage in Europe Today.

MLA (9th ed.) Citation

Galland, Pierre, et al. World Heritage in Europe Today.