APA (7th ed.) Citation

Strope, L., & Retsinas, N. P. (2012). Pioneers in Colombia.

Chicago Style (17th ed.) Citation

Strope, Lisa, and Nicolas P. Retsinas. Pioneers in Colombia. 2012.

MLA (9th ed.) Citation

Strope, Lisa, and Nicolas P. Retsinas. Pioneers in Colombia. 2012.

Warning: These citations may not always be 100% accurate.