APA (7th ed.) Citation

Fritze, R. H., Coutts, B. E., & Vyhnanek, L. A. (1990). Reference sources in history: An introductory guide. ABC-Clio.

Chicago Style (17th ed.) Citation

Fritze, Ronald H., Brian E. Coutts, and Louis A. Vyhnanek. Reference Sources in History: An Introductory Guide. Santa Barbara, Calif. [u.a.]: ABC-Clio, 1990.

MLA (8th ed.) Citation

Fritze, Ronald H., et al. Reference Sources in History: An Introductory Guide. ABC-Clio, 1990.