APA (7th ed.) Citation

Seaver, F. J. (1951). The North American cup-fungi (inoperculates). [publisher not identified].

Chicago Style (17th ed.) Citation

Seaver, Fred Jay. The North American Cup-fungi (inoperculates). New York: [publisher not identified], 1951.

MLA (9th ed.) Citation

Seaver, Fred Jay. The North American Cup-fungi (inoperculates). [publisher not identified], 1951.