APA (7th ed.) Citation

Dorothy Sloan--Books (Firm), Holman, W., & Sloan, D. (1987). Catalogue four. Dorothy Sloan--Books.

Chicago Style (17th ed.) Citation

Dorothy Sloan--Books (Firm), William Holman, and Dorothy Sloan. Catalogue Four. Austin, Tex.: Dorothy Sloan--Books, 1987.

MLA (9th ed.) Citation

Dorothy Sloan--Books (Firm), et al. Catalogue Four. Dorothy Sloan--Books, 1987.