APA (7th ed.) Citation

Copeman, G., Luijk, H., & Hanika, F. d. P. (1963). How the executive spends his time / by G. Copeman, H. Luijk and F. de P. Hanika. Business Publications.

Chicago Style (17th ed.) Citation

Copeman, G., H. Luijk, and F. de P. Hanika. How the Executive Spends His Time / by G. Copeman, H. Luijk and F. De P. Hanika. Business Publications, 1963.

MLA (9th ed.) Citation

Copeman, G., et al. How the Executive Spends His Time / by G. Copeman, H. Luijk and F. De P. Hanika. Business Publications, 1963.

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