Cita APA (7a ed.)

Haas, H., Leutscher, A., Gossner, G., & O'Brien, C. (1969). The young specialist looks at fungi. Burke.

Cita Chicago Style (17a ed.)

Haas, Hans, Alfred Leutscher, Gabriele Gossner, y Cynthia O'Brien. The Young Specialist Looks at Fungi. London: Burke, 1969.

Cita MLA (9a ed.)

Haas, Hans, et al. The Young Specialist Looks at Fungi. Burke, 1969.