APA (7th ed.) Citation

Birnbaum, A. M., & Birnbaum, S. (1990). Birnbaum's United States, 1991. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Birnbaum, Alexandra Mayes, and Stephen Birnbaum. Birnbaum's United States, 1991. Boston: Houghton Mifflin, 1990.

MLA (9th ed.) Citation

Birnbaum, Alexandra Mayes, and Stephen Birnbaum. Birnbaum's United States, 1991. Houghton Mifflin, 1990.