APA (7th ed.) Citation

Buggle, F., & Piaget, J. (1985). Die Entwicklungspsychologie Jean Piagets. Kohlhammer.

Chicago Style (17th ed.) Citation

Buggle, Franz, and Jean Piaget. Die Entwicklungspsychologie Jean Piagets. Stuttgart [u.a.]: Kohlhammer, 1985.

MLA (9th ed.) Citation

Buggle, Franz, and Jean Piaget. Die Entwicklungspsychologie Jean Piagets. Kohlhammer, 1985.

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