APA Edition Citation

Lefton & Valvatne. Mastering psychology (2nd ed.). Allyn and bacom.

Chicago Edition Citation

Lefton and Valvatne. Mastering Psychology. 2nd ed. Allyn and bacom.

MLA Edition Citation

Lefton and Valvatne. Mastering Psychology. 2nd ed. Allyn and bacom.

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