APA (7th ed.) Citation

Schmitz, B., Klug, J., & Hertel, S. (2012). Collecting and analyzing longitudinal diary data. Handbook of developmental research methods.

Chicago Style (17th ed.) Citation

Schmitz, Bernhard, Julia Klug, and Silke Hertel. "Collecting and Analyzing Longitudinal Diary Data." Handbook of Developmental Research Methods 2012.

MLA (9th ed.) Citation

Schmitz, Bernhard, et al. "Collecting and Analyzing Longitudinal Diary Data." Handbook of Developmental Research Methods, 2012.