APA (7th ed.) Citation

Bieber, M., Warren, L. B., & Winkes, R. Bibliography of the works of Margarete Bieber: For her 90th birthday, July 31, 1969.

Chicago Style (17th ed.) Citation

Bieber, Margarete, Larissa Bonfante Warren, and Rolf Winkes. Bibliography of the Works of Margarete Bieber: For Her 90th Birthday, July 31, 1969.

MLA (9th ed.) Citation

Bieber, Margarete, et al. Bibliography of the Works of Margarete Bieber: For Her 90th Birthday, July 31, 1969.