APA (7th ed.) Citation

Leslie, L. A., Zoubek, C. E., & Boer, H. J. (1967). Gregg shorthand 1 (Diamond jubilee ed.). McGraw-Hill International.

Chicago Style (17th ed.) Citation

Leslie, Louis A., Charles E. Zoubek, and Henry J. Boer. Gregg Shorthand 1. Diamond jubilee ed. Singapore: McGraw-Hill International, 1967.

MLA (9th ed.) Citation

Leslie, Louis A., et al. Gregg Shorthand 1. Diamond jubilee ed. McGraw-Hill International, 1967.