APA (7th ed.) Citation

Grimes, B. H., & Schumann, I. T. (1971). Chronological calendar of the letters in the John Wesley Hardin Collection in the Southwest Texas State University Library. [publisher not identified].

Chicago Style (17th ed.) Citation

Grimes, Boyd H., and Iris T. Schumann. Chronological Calendar of the Letters in the John Wesley Hardin Collection in the Southwest Texas State University Library. [Place of publication not identified]: [publisher not identified], 1971.

MLA (9th ed.) Citation

Grimes, Boyd H., and Iris T. Schumann. Chronological Calendar of the Letters in the John Wesley Hardin Collection in the Southwest Texas State University Library. [publisher not identified], 1971.