APA (7th ed.) Citation
Page, J. S. (1978). Estimator's man-hour manual on heating. Gulf publ. co..
Chicago Style (17th ed.) Citation
Page, John S. Estimator's Man-hour Manual on Heating. Houston: Gulf publ. co., 1978.
MLA (9th ed.) Citation
Page, John S. Estimator's Man-hour Manual on Heating. Gulf publ. co., 1978.
Warning: These citations may not always be 100% accurate.