APA (7th ed.) Citation

Ash, R. P., Macfarlane, A., & Carney, J. N. (1978). Geology of Efate and offshore islands. British Service, New Hebrides.

Chicago Style (17th ed.) Citation

Ash, R. P., A. Macfarlane, and J. N. Carney. Geology of Efate and Offshore Islands. [Vila]: British Service, New Hebrides, 1978.

MLA (8th ed.) Citation

Ash, R. P., et al. Geology of Efate and Offshore Islands. British Service, New Hebrides, 1978.