APA (7th ed.) Citation

Ranfi & Till. (1989). The sea in Soviet strategy (2nd edition.). Macmillan.

Chicago Style (17th ed.) Citation

Ranfi and Till. The Sea in Soviet Strategy. 2nd edition. London: Macmillan, 1989.

MLA (8th ed.) Citation

Ranfi and Till. The Sea in Soviet Strategy. 2nd edition. Macmillan, 1989.