APA (7th ed.) Citation

Kruell, G. (1962). Walt Whitman. [publisher not identified].

Chicago Style (17th ed.) Citation

Kruell, Gustave. Walt Whitman. Livonia, Mich.: [publisher not identified], 1962.

MLA (9th ed.) Citation

Kruell, Gustave. Walt Whitman. [publisher not identified], 1962.

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