APA (7th ed.) Citation

Howard, R. E., & Lord, G. (1989). Selected letters 1923-1930. Necronomicon Press.

Chicago Style (17th ed.) Citation

Howard, Robert E., and Glenn Lord. Selected Letters 1923-1930. West Warwick, RI: Necronomicon Press, 1989.

MLA (9th ed.) Citation

Howard, Robert E., and Glenn Lord. Selected Letters 1923-1930. Necronomicon Press, 1989.

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