APA (7th ed.) Citation

Thornber, N. (1959). Pennine underground / by N. Thornber. Dalesman Publishing Co.

Chicago Style (17th ed.) Citation

Thornber, N. Pennine Underground / by N. Thornber. Dalesman Publishing Co, 1959.

MLA (9th ed.) Citation

Thornber, N. Pennine Underground / by N. Thornber. Dalesman Publishing Co, 1959.

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