APA (7th ed.) Citation

R.Roelofs. (1950). Astronomy Applied To Land Surveying. MCML.

Chicago Style (17th ed.) Citation

R.Roelofs. Astronomy Applied To Land Surveying. MCML, 1950.

MLA (8th ed.) Citation

R.Roelofs. Astronomy Applied To Land Surveying. MCML, 1950.

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