APA (7th ed.) Citation

Gilbreth, F. B., & Carey, E. G. (1979). Im Dutzend billiger. Blanvalet.

Chicago Style (17th ed.) Citation

Gilbreth, Frank Bunker, and Ernestine Gilbreth Carey. Im Dutzend Billiger. München: Blanvalet, 1979.

MLA (9th ed.) Citation

Gilbreth, Frank Bunker, and Ernestine Gilbreth Carey. Im Dutzend Billiger. Blanvalet, 1979.

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