APA (7th ed.) Citation

Hejkal, O. C. (1950). The life and work of Robert W. Selvidge. [publisher not identified].

Chicago Style (17th ed.) Citation

Hejkal, Otto Charles. The Life and Work of Robert W. Selvidge. [Place of publication not identified]: [publisher not identified], 1950.

MLA (9th ed.) Citation

Hejkal, Otto Charles. The Life and Work of Robert W. Selvidge. [publisher not identified], 1950.