Cita APA (7th ed.)

384013 Bradshaw, M. J., & Jarman, E. A. (1969). Geological map exercises. London : Hodder and Stoughton.

Cita Chicago (17th ed.)

384013 Bradshaw, Michael John, i Eric Arthur Jarman. Geological Map Exercises. London : Hodder and Stoughton, 1969.

Cita MLA (9th ed.)

384013 Bradshaw, Michael John, i Eric Arthur Jarman. Geological Map Exercises. London : Hodder and Stoughton, 1969.

Atenció: Aquestes cites poden no estar 100% correctes.