APA (7th ed.) Citation

Boyd, A. (1974). The companion guide to Madrid and Central Spain. Collins.

Chicago Style (17th ed.) Citation

Boyd, Alastair. The Companion Guide to Madrid and Central Spain. London: Collins, 1974.

MLA (8th ed.) Citation

Boyd, Alastair. The Companion Guide to Madrid and Central Spain. Collins, 1974.

Warning: These citations may not always be 100% accurate.