Cita APA (7a ed.)

Heiser, C. B., Clevenger, S. B., Martín, W. C., & Smith, D. M. (1969). The North Américan sunflowers (Helianthus). Club by the Seeman Printery.

Cita Chicago Style (17a ed.)

Heiser, Charles B., Sarah B. Clevenger, William C. Martín, y Dale M. Smith. The North Américan Sunflowers (Helianthus). [Lugar de publicación no identificado]: Club by the Seeman Printery, 1969.

Cita MLA (8a ed.)

Heiser, Charles B., et al. The North Américan Sunflowers (Helianthus). Club by the Seeman Printery, 1969.