APA (7th ed.) Citation

Burton, A., & Burton, P. (1978). The green bag travellers: Britain's first tourists. Deutsch.

Chicago Style (17th ed.) Citation

Burton, Anthony, and Pip Burton. The Green Bag Travellers: Britain's First Tourists. London: Deutsch, 1978.

MLA (9th ed.) Citation

Burton, Anthony, and Pip Burton. The Green Bag Travellers: Britain's First Tourists. Deutsch, 1978.