APA (7th ed.) Citation

Hancock, H. I. The Young Engineers in Colorado; Or, At Railroad Building in Earnest.

Chicago Style (17th ed.) Citation

Hancock, H. Irving. The Young Engineers in Colorado; Or, At Railroad Building in Earnest.

MLA (9th ed.) Citation

Hancock, H. Irving. The Young Engineers in Colorado; Or, At Railroad Building in Earnest.

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