APA (7th ed.) Citation

(2020). Introduction: [to qualitative research recruitment, participants, observations]. Daniel Berkal.

Chicago Style (17th ed.) Citation

Introduction: [to Qualitative Research Recruitment, Participants, Observations]. [Place of publication not identified]: Daniel Berkal, 2020.

MLA (9th ed.) Citation

Introduction: [to Qualitative Research Recruitment, Participants, Observations]. Daniel Berkal, 2020.