एपीए उद्धरण

Howard, J. H., Dennis, N. A., Howard, D. V., Yankovich, H., & Vaidya, C. J. (2004). Implicit Spatial Contextual Learning in Healthy Aging.

शिकागो स्टाइल उद्धरण

Howard, James H., Nancy A. Dennis, Darlene V. Howard, Helen Yankovich, और Chandan J. Vaidya. Implicit Spatial Contextual Learning in Healthy Aging. 2004.

एमएलए उद्धरण

Howard, James H., et al. Implicit Spatial Contextual Learning in Healthy Aging. 2004.