APA (7th ed.) Citation

Romano, L. G., Georgiady, N. P., Romano, P., & Hamady, W. (1968). Gertie the duck. [Louis G. Romano & Nicholas P. Georgiady].

Chicago Style (17th ed.) Citation

Romano, Louis G., Nicholas P. Georgiady, Pamela Romano, and Walter Hamady. Gertie the Duck. [Madison, Wisconsin]: [Louis G. Romano & Nicholas P. Georgiady], 1968.

MLA (9th ed.) Citation

Romano, Louis G., et al. Gertie the Duck. [Louis G. Romano & Nicholas P. Georgiady], 1968.