APA (7th ed.) Citation

O'Leary, Z. (2021). The essential guide to doing your research project / Zina O'Leary (4th edition.). SAGE.

Chicago Style (17th ed.) Citation

O'Leary, Zina. The Essential Guide to Doing Your Research Project / Zina O'Leary. 4th edition. Los Angeles: SAGE, 2021.

MLA (9th ed.) Citation

O'Leary, Zina. The Essential Guide to Doing Your Research Project / Zina O'Leary. 4th edition. SAGE, 2021.

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