APA (7th ed.) Citation

Mach, E., & McCormack, T. J. (1943). Popular scientific lectures (5th ed.). The Open court publishing company.

Chicago Style (17th ed.) Citation

Mach, Ernst, and Thomas J. McCormack. Popular Scientific Lectures. 5th ed. Chicago: The Open court publishing company, 1943.

MLA (9th ed.) Citation

Mach, Ernst, and Thomas J. McCormack. Popular Scientific Lectures. 5th ed. The Open court publishing company, 1943.