Cita APA (7a ed.)

Hildebrand, R. D., & Wallbaum, R. (1992). Munich Airport: Words to think about. Leo.

Cita Chicago Style (17a ed.)

Hildebrand, Ralph D., y Rainer Wallbaum. Munich Airport: Words to Think About. Munich: Leo, 1992.

Cita MLA (9a ed.)

Hildebrand, Ralph D., y Rainer Wallbaum. Munich Airport: Words to Think About. Leo, 1992.