APA (7th ed.) Citation

Howe, H., & Howe, R. T. (1987). The ancient world. Longman.

Chicago Style (17th ed.) Citation

Howe, Helen, and Robert T. Howe. The Ancient World. White Plains, NY: Longman, 1987.

MLA (9th ed.) Citation

Howe, Helen, and Robert T. Howe. The Ancient World. Longman, 1987.

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