APA (7th ed.) Citation

Serpell, A. F. (2011). Modeling Project's Scopes for Conceptual Cost Estimating. Cost Engineering, 53(4), 24.

Chicago Style (17th ed.) Citation

Serpell, Alfredo F. "Modeling Project's Scopes for Conceptual Cost Estimating." Cost Engineering 53, no. 4 (2011): 24.

MLA (9th ed.) Citation

Serpell, Alfredo F. "Modeling Project's Scopes for Conceptual Cost Estimating." Cost Engineering, vol. 53, no. 4, 2011, p. 24.