APA (7th ed.) Citation

Delano, W. H. (1893). Twenty years' practical experience of natural Asphalt and mineral bitumen. Spon.

Chicago Style (17th ed.) Citation

Delano, W. H. Twenty Years' Practical Experience of Natural Asphalt and Mineral Bitumen. London: Spon, 1893.

MLA (9th ed.) Citation

Delano, W. H. Twenty Years' Practical Experience of Natural Asphalt and Mineral Bitumen. Spon, 1893.