APA (7th ed.) Citation

O'Leary, Z. (2004). The essential guide to doing research. SAGE Publication.

Chicago Style (17th ed.) Citation

O'Leary, Zina. The Essential Guide to Doing Research. London: SAGE Publication, 2004.

MLA (9th ed.) Citation

O'Leary, Zina. The Essential Guide to Doing Research. SAGE Publication, 2004.

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