APA (7th ed.) Citation

Linn, H. H., Helm, L. C., & Grabardiewicz, K. P. (1948). The school custodian's housekeeping handbook. Bureau of Publications, Teachers College, Columbia Univ.

Chicago Style (17th ed.) Citation

Linn, Henry Harold, Leslie C. Helm, and Kazmer P. Grabardiewicz. The School Custodian's Housekeeping Handbook. New York: Bureau of Publications, Teachers College, Columbia Univ, 1948.

MLA (9th ed.) Citation

Linn, Henry Harold, et al. The School Custodian's Housekeeping Handbook. Bureau of Publications, Teachers College, Columbia Univ, 1948.