APA Style Guide OWL Purdue OWL Purdue OWL Purdue OWL Purdue http://owl.english.purdue.edu/owl/resource/560/2/ OWL: Purdue Online Writing Lab OWL Purdue http://owl.english.purdue.edu/owl/resource/560/2/ OWL Purdue OWL Purdue OWL: Purdue Online Writing Lab OWL: Purdue Online Writing Lab OWL Purdue https://owl.english.purdue.edu/owl/resource/560/2/ OWL Purdue APA In-Text Citations OWL Purdue