APA (7th ed.) Citation

Darling, F. F., & Boyd, J. M. (1969). The Highlands and Islands (2nd ed.). Collins.

Chicago Style (17th ed.) Citation

Darling, F. Fraser, and J. Morton Boyd. The Highlands and Islands. 2nd ed. London: Collins, 1969.

MLA (9th ed.) Citation

Darling, F. Fraser, and J. Morton Boyd. The Highlands and Islands. 2nd ed. Collins, 1969.