Cita APA (7a ed.)

Mueller, G. W., & Robertson, E. C. 1. . . .. (1948). Fundamentals of health and safety. D. Van Nostrand Co.

Cita Chicago Style (17a ed.)

Mueller, Grover William, y Elizabeth Chant 1890- Robertson. Fundamentals of Health and Safety. New York: D. Van Nostrand Co, 1948.

Cita MLA (9a ed.)

Mueller, Grover William, y Elizabeth Chant 1890- Robertson. Fundamentals of Health and Safety. D. Van Nostrand Co, 1948.