American Psychological Association 7th edition

Keren, R., & Pressler, M. (ca. 1999). Bittersüßer Sommer (M. Pressler, trans.) [Book]. Gabriel.

Chicago Manual of Style 17th edition (author-date)

Keren, Rivka, and Mirjam Pressler. 1999. Bittersüßer Sommer. Book. Translated by Mirjam Pressler. Wien: Gabriel.

Springer - Basic (author-date)

Keren R, Pressler M (1999) Bittersüßer Sommer. Gabriel, Wien

Springer - Lecture Notes in Computer Science

1.Keren, R., Pressler, M.: Bittersüßer Sommer. Gabriel, Wien (1999).

DIN 1505-2 (author-date, Deutsch) - standard superseded by ISO-690

Keren, Rivka ; Pressler, Mirjam ; ; ; ; Pressler, M. (trans.): Bittersüßer Sommer. book. Wien : Gabriel, 1999 — ISBN 3707265978

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