APA (7th ed.) Citation

Friesen, J., Georganos, S., & Haas, J. Differences in walking access to healthcare facilities between formal and informal areas in 19 sub-Saharan African cities. Nature Portfolio.

Chicago Style (17th ed.) Citation

Friesen, John, Stefanos Georganos, and Jan Haas. Differences in Walking Access to Healthcare Facilities Between Formal and Informal Areas in 19 Sub-Saharan African Cities. Nature Portfolio.

MLA (9th ed.) Citation

Friesen, John, et al. Differences in Walking Access to Healthcare Facilities Between Formal and Informal Areas in 19 Sub-Saharan African Cities. Nature Portfolio.