APA (7th ed.) Citation

Jorgensen, C. (1986). Mastering 1-2-3. Tech Publ..

Chicago Style (17th ed.) Citation

Jorgensen, Carolyn. Mastering 1-2-3. Singapore: Tech Publ., 1986.

MLA (9th ed.) Citation

Jorgensen, Carolyn. Mastering 1-2-3. Tech Publ., 1986.

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