APA (7th ed.) Citation

Cresswell, J., & Hartley, J. (1974). Esperanto (5. impr.). St. Paul's House.

Chicago Style (17th ed.) Citation

Cresswell, John, and John Hartley. Esperanto. 5. impr. London: St. Paul's House, 1974.

MLA (9th ed.) Citation

Cresswell, John, and John Hartley. Esperanto. 5. impr. St. Paul's House, 1974.